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List of undescribed Occlupanid and Occlupanopsid species, updated on 2025 January 20. All information are kindly provided by FORC members and other occlupanologists on r/occlupanid subreddit. All images are provided by FORC members.
The purpose of this page is to inform the occlupanology community about known undescribed species. FORC and the team working on this website do not take credit for the discovery of the undescribed species listed in this page, all discoverers and informants have been individually named and properly credited.
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Acutignathidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project and Carsmaniac |
| Specimen image provided by The Breadtag Project [Website] [Instagram]
|
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Acutignathidae |
| ↕ Length 21.4mm |
| Acquired by A. Welby, The Breadtag Project, Carsmaniac, and Robyn |
| Specimen image provided by A. Welby |
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Acutignathidae |
| ↕ Length 21.4mm |
| Acquired by A. Welby |
| Specimen image provided by A. Welby |
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Acutignathidae |
| ↕ Length 21.4mm |
| Acquired by A. Welby |
| Specimen image provided by A. Welby |
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Archignathidae |
| ↔ Width 4mm |
| Acquired by AmyLeuWho, deo, CaleChipz, and nickyjuju |
| Specimen image provided by AmyLeuWho |
| AmyLeuWho's specimen preyed on jewelry watch of the brand Explorer by Traditions, in Hobby Lobby stores in the United States; deo acquired orange and white specimens from a store selling watches in the United States; CaleChipz acquired a pink specimen in Canada |
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Archignathidae |
| ↕ Length 5.5mm |
| Found by AmyLeuWho, no specimens have been acquired yet |
| Specimen image provided by AmyLeuWho |
| Preyed on jewelry watch of the brand Explorer by Traditions, in Hobby Lobby stores in the United States |
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Archignathidae |
| ↕ Length 5.5mm |
| First found by AmyLeuWho, later acquired by nickyyuyu |
| Specimen image provided by nickyyuyu |
| AmyLeuWho's specimen Preyed on jewelry watch of the brand Explorer by Traditions, in Hobby Lobby stores in the United States |
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Archignathidae |
| ↕ Length 5mm |
| Found by AmyLeuWho, no specimens have been acquired yet |
| Specimen image provided by AmyLeuWho |
| Preyed on jewelry watch of the brand Explorer by Traditions, in Hobby Lobby stores in the United States |
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Archignathidae |
| ↕ Length 5mm |
| Found by AmyLeuWho, no specimens have been acquired yet |
| Specimen image provided by AmyLeuWho |
| Preyed on jewelry watch of the brand Explorer by Traditions, in Hobby Lobby stores in the United States |
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Archignathidae |
| ↕ Length 7.5mm |
| Acquired by CaleChipz and nickyjuju |
| Specimen image provided by CaleChipz |
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Archignathidae |
| ↕ Length mm |
| Acquired by deo, CaleChipz, and nickyjuju |
| Specimen image provided by CaleChipz |
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Archignathidae |
| ↕ Length 7mm |
| Acquired by nickyjuju |
| Specimen image provided by nickyjuju |
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Archignathidae |
| ↕ Length 6mm |
| Acquired by nickyjuju |
| Specimen image provided by nickyjuju |
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Archignathidae |
| ↕ Length around 7.5mm |
| Acquired by nickyjuju |
| Specimen image provided by nickyjuju |
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Archignathidae |
| ↕ Length 7mm |
| Acquired by CaleChipz and nickyjuju |
| Specimen image provided by CaleChipz |
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Archignathidae |
| ↕ Length 5.6mm |
| Acquired by CaleChipz |
| Specimen image provided by CaleChipz |
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Archignathidae |
| ↕ Length around 8mm |
| Acquired by Slime Licker and CaleChipz |
| Specimen image provided by CaleChipz |
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Archignathidae |
| ↕ Length 7mm |
| Acquired by CaleChipz |
| Specimen image provided by CaleChipz |
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Archignathidae |
| not measured |
| Acquired by deo |
| Specimen image to be added |
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Archignathidae |
| not measured |
| Acquired by Slime Licker |
| Specimen image to be added |
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Archignathidae |
| not measured |
| Acquired by Slime Licker |
| Specimen image to be added |
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Archignathidae |
| not measured |
| Acquired by Red Luminous |
| Specimen image provided by Red Luminous [YouTube Channel] |
| Preyed on miniature bread bags |
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Archignathidae |
| not measured |
| Acquired by Red Luminous |
| Specimen image provided by Red Luminous [YouTube Channel] |
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Archignathidae |
| ↔ Width 18mm; ↕ Length 22mm |
| Acquired by YourFoot |
| Specimen image provided by YourFoot |
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Archignathidae |
| ↕ Length less than 21.4mm |
| Acquired by A. Welby |
| Specimen image provided by A. Welby |
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Archignathidae |
| ↔ Width less than 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Archignathidae |
| not measured |
| Acquired by A. Welby |
| Specimen image provided by A. Welby |
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Archignathidae |
| ↕ Length 21.4mm |
| Acquired by Team_Bees |
| Specimen image provided by Team_Bees |
| found in a bag of specimens acquired from Scrap in Portland, Oregon |
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Archignathidae |
| ↕ Length longer than 21.4mm |
| Acquired by Jupiter |
| Specimen image provided by Jupiter |
| a ball chain connects the specimen's supposed host of miniature bread bag (which itself was actually closed by Aluminestrae twist tie) via its aboral vesicle |
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Archignathidae |
| not measured |
| Discovered and acquired by AmyLeuWho on 2022 June 06 |
| Specimen image provided by AmyLeuWho |
| Two specimens were known to have preyed on bags of synthetic undercast padding, of the brand Coviden Curity |
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Archignathidae? |
| ↔ Width 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Archignathidae |
| Wider and longer than I. kurisu |
| Acquired by A. Lee in 2024 December |
| Specimen image provided by A. Lee |
| Specimens with amicula were found found preying on green shine muscat grape stem wrapped in paper, in two stores at Yau Ma Tei Fruit Market in Hong Kong |
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Archignathidae |
| ↔ Width 21.4mm |
| Acquired by A. Welby and The Breadtag Project |
| Specimen image provided by A. Welby |
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Archignathidae |
| ↔ wider than 21.4mm |
| Discovered and acquired by The Breadtag Project in 2019 October |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Specimens were acquired at the New World supermarket in Wanaka, South Island of New Zealand |
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Archignathidae |
| not measured, Width appears to be around 21.4mm |
| Acquired by The Breadtag Project's friend |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Specimen was from Canada |
 |
Archignathidae |
| ↕ Length 42.9mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Kurisu studied the markings of three known specimens and found a possible relationship between this species and automobile products, specifically ignition sets |
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Archignathidae |
| ↕ Length 42.9mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Archignathidae |
| ↕ Length 42.9mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Archignathidae |
| ↕ Length 42.9mm |
| Acquired by A. Welby |
| Specimen image provided by A. Welby |
| A. Welby acquired their specimen from a basement hoard; specimens were also said to be present at the Fresh Hop Ale Festival 2022, being used as beer tokens |
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Archignathidae |
| ↕ Length 42.9mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Archignathidae |
| ↕ Length 42.9mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Oral groove slightly smaller than the HORG holotype of Megapanis tarassovae, whether this should be its own species is still disputed |
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Archignathidae |
| ↕ Length 42.9mm |
| Acquired by A. Welby |
| Specimen image provided by A. Welby |
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Concavigulidae? |
| ↔ Width 5mm |
| Acquired by C. Huning and nickyjuju |
| Specimen image provided by C. Huning |
HORG received specimen of this species, abbreviated species name being Tempo_pecu, but a dedicated species entry page is yet to be set up. Scanned image file name suggests that this species might be categorised as Archignathid, and be grouped into the Genus Tempotortus, but the proposed species name of peculiaris seems to be accepted by HORG |
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Corrugatidae? |
| ↕ Length 8mm |
| Discovered online and acquired by nickyjuju |
| Specimen image provided by nickyjuju |
| Preyed on miniature "waddle dee bread" bag in Re-Ment 星のカービィ カービィのプププマーケット set 6 "Kickstart a day with breakfast" |
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Corrugatidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| From New Zealand |
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Corrugatidae? |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Specimens were known to prey on an unknown host holding together spring onions and shallots, of the brand Coles in Australia; all found specimens had an amiculum attached, or showed signs of amiculum being previously attached |
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Corrugatidae |
| ↕ Length 21.4mm |
| Acquired by A. Welby |
| Specimen image provided by A. Welby |
| Found in a hoard by A. Welby |
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Corrugatidae |
| ↔ Width 21.4mm |
| Discovered and acquired by Ceddy D on 2024 June 14 |
| Specimen image provided by Ceddy D |
| All known specimens are found in the United States, preyed on nets of avocado cups of the brand GoVerden; Kurisu conducted online research about the host and content, and found that the oral groove of this species may grab onto its host twice, forming a loop |
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Corrugatidae |
| ↔ Width 21.4mm |
| Acquired by The Breadtag Project and MerryDeath |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Corrugatidae |
| not measured |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| From New Zealand |
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Haplognathidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Haplognathidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| The Breadtag Project's specimen came from the Netherlands and dates back to 2018; this species was also found in Japan according to Kurisu's online research |
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Haplognathidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project and Carsmaniac |
| Specimen image provided by Carsmaniac |
| The Breadtag Project has acquired specimens bearing amicula, and the amicula contains markings that hint towards their original host being either string or rubber bands holding together Coles vegetable bunches in Australia |
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Haplognathidae |
| ↕ Length 21.4mm |
| Acquired by C. Huning, A. Welby, and Kelp |
| Specimen image provided by C. Huning |
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Haplognathidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Kurisu's Filipino informant provided information of this species in 2022 January, stating that specimens of multiple colour morphs preyed on bags of bread of the Filipino bread brand Fuwa Fuwa; the specimen acquired by The Breadtag Project in 2023 came from Chattanooga in the United States |
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Haplognathidae |
| ↔ Width 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Haplognathidae |
| ↔ Width 21.4mm |
| Acquired by The Breadtag Project, CaleChipz, Carsmaniac, and A. Welby |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Haplognathidae |
| ↔ Width 21.4mm |
| Acquired by Lily Fox |
| Specimen image provided by Lily Fox |
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Haplognathidae |
| ↔ Width 19.1mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Specimens from New Zealand |
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Toxodentidae |
| ↕ Length 9mm; ↔ Width 9mm |
| Discovered online and acquired by nickyjuju and Team_Bees |
| Specimen image provided by Team_Bees |
| Preyed on miniature bread bag |
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Toxodentidae |
| ↕ Length 10mm |
| Discovered online and acquired by nickyjuju |
| Specimen image provided by nickyjuju |
| Preyed on miniature bread bag of MegaHouse series 36 set 7 ライ麦パンで朝ごはんセット, series 38 set 1 ご自慢食パンセット, set 2 朝食おすすめパンセット, set 6 ウキウキお買い物セット, set 7 くるくるシナモンブレッドセット, set 10 ふっくらディナーパンセット. |
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Toxodentidae |
| ↕ Length 10mm |
| Discovered online and acquired by nickyjuju |
| Specimen image provided by nickyjuju |
| Preyed on miniature bread bag in Re-Ment すみっコぐらし スーパーでおつかい set 5 "Flyer" |
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Toxodentidae |
| ↕ Length 10mm |
| Discovered online and acquired by nickyjuju |
| Specimen image provided by nickyjuju |
| Preyed on miniature bread bag in Re-Ment いっぱい買っちゃう！家ちかスーパー set 7 "Breakfast" |
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Toxodentidae |
| not measured |
| Acquired by Red Luminous |
| Specimen image provided by Red Luminous [YouTube Channel] |
| Preyed on a bag of miniature "stick bread" and "white roll bread" |
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Toxodentidae |
| ↕ Length 21.4mm |
| Discovered online by nickyjuju |
| Specimen image to be added |
| Cavutergum species with a smaller oral groove than C. simplex; photo was uploaded to a stock photo platform in 2016, uploader appears to be a Thai national |
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Toxodentidae |
| ↕ Length 21.4mm |
| Discovered and acquired by Kurisu in 2023 April, The Breadtag Project also acquired specimens |
| Specimen image provided by Kurisu |
| Kurisu spotted specimens bearing amiculum preying on bags of potatoes in Coles in Sydney Australia; The Breadtag Project also received specimens from New Zealand, white specimens with amiculum likely preyed on potatoes bags based on markings, light tan specimens had unusual scars as if it had been attacked by something with tentacle suckers; specimen has been submitted by Kurisu and received by HORG, but this species is yet to be described |
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Toxodentidae |
| ↕ Length 22.5mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Toxodentidae |
| ↕ Length 22mm |
| Acquired by The Breadtag Project and Team_Bees |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Team_Bees acquired their specimen from an individual living in Pennsylvania |
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Toxodentidae |
| ↕ Length 21.4mm |
| Discovered and acquired by Lily Fox and Zin |
| Specimen image provided by Lily Fox |
| Specimens were found preying on bags of hot dog rolls of the brand Dempster's and bags of bread in Costco in-store bakery in Canada |
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Toxodentidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Specimens acquired by The Breadtag Project were from Canada |
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Toxodentidae |
| ↕ Length 21.4mm |
| Acquired by Red Luminous and Robyn |
| Specimen image provided by Red Luminous [YouTube Channel] |
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Toxodentidae? |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project and Carsmaniac |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
This species may have existed in Malaysia according to Kurisu's online research; HORG received specimen of this species, abbreviated species name being Coni_vip, but a dedicated species entry page is yet to be set up, and full species name is still unknown |
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Toxodentidae? |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project and Carsmaniac |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| This species possibly dates back to 2005 or earlier according to A. Lee's online research |
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Toxodentidae? |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
| Specimens acquired by The Breadtag Project were from Sweden |
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Tridentidae |
| ↕ Length 21.4mm |
| Acquired by A. Welby and C. Huning |
| Specimen image provided by C. Huning |
| A. Welby proposed the species name to be Captospinula teepeii |
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Tridentidae |
| ↕ Length 21.4mm |
| Acquired by RTC Studios, Carsmaniac (damaged specimen), and u/ILikecatsandbreads |
| Artist impression of Carsmaniac's specimen in its full form, provided by Carsmaniac |
| u/ILikecatsandbreads claims to have found specimens on bread bags in Morrisons stores in the United Kingdom |
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Tridentidae |
| ↕ Length 21.4mm |
| Acquired by C. Huning, Kurisu's mother, and Fooxxo |
| Specimen image provided by C. Huning |
| Kurisu's mother found this species preying on bags of sliced bread and "Belgian chocolate milk stick" bread rolls of the brand 熱夢烘培 (Passion & Dreams Bakery) in a YATA store in Hong Kong on 2024 December 24. This is the first time this species has been found on host. Kurisu's friend later found bags of sliced bread of the same brand in a UNY store in Hong Kong on 2024 December 28. |
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Tridentidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Tridentidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Tridentidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Tridentidae? |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project and Carsmaniac |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Tridentidae |
| ↕ Length 21.4mm |
| Acquired by The Breadtag Project, Carsmaniac, and Zin |
| Specimen image provided by Carsmaniac |
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Tridentidae |
| ↔ Width 21.4mm |
| Acquired by The Breadtag Project and MerryDeath |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Tridentidae |
| ↔ Width 21.4mm |
| Acquired by The Breadtag Project and MerryDeath |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Tridentidae |
| ↔ Width 21.4mm |
| Acquired by The Breadtag Project |
| Specimen image provided by The Breadtag Project [Website] [Instagram] |
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Tridentidae |
| ↔ Width 21.4mm |
| Acquired by Lily Fox |
| Specimen image provided by Lily Fox |
| According to Lily Fox's informant, all specimens found were preying on bags of Latvian bread in a Latvian store in the United Kingdom, imported from Latvia |
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Tridentidae |
| ↕ Length 42.9mm |
| None acquired yet |
| Specimen image to be added |
| Dinonexus species with the oral groove of C. simplistica, found in Fresh Hop Ale Festival 2021 as beer tokens |
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Archignathaceae |
| ↔ Width 21.4mm |
| Discovered by CaleChipz in 2024 December, acquired by nickyjuju in 2025 January |
| Specimen image provided by nickyjuju |
| CaleChipz found specimens preying on bags of gluten free bread in freezing environment; nickyjuju found specimens preying on bags of white pita bread of the brand Adonis, both sightings made in Canada |
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Archignathaceae |
| ↔ Width 21.4mm |
| Discovered by Zin's acquaintance in 2024 December |
| Specimen image to be added |
| C. viridis mimic, found in Canada |
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Toxodentaceae |
| ↕ Length 21.4mm |
| Acquired by u/fuifeefje and Kurisu |
| Specimen image provided by Kurisu |
| P. utiliformis mimic, Specimen found in the Netherlands and Sydney, Australia. Sydney specimens found preying on iceberg lettuce bags in ALDI stores, in both room temperature and refrigerated environments. Specimen will be sent in by Kurisu |
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Toxodentaceae |
| ↕ Length 21.4mm |
| Acquired by u/FastBoySawnic and CaleChipz |
| Specimen image provided by CaleChipz |
| E. washingtonensis mimic; CaleChipz acquired their specimen in Canada |
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Toxodentaceae |
| ↔ Width 21mm |
| Acquired by Carsmaniac, Kurisu, and The Breadtag Project |
| Specimen image provided by Kurisu |
| Carsmaniac first acquired their specimens from a recycling center in 2024 September, commenting on its unnatural appearance as a result of the asymmetric oral groove; Kurisu later encountered this species on host in two Baker's Delight stores in Sydney: Glebe and Crows Nest, in 2024 November. Kurisu also found a specimen with no markings detached from host outside the Baker's Delight store in Glebe on 2024 new year's eve. |
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Toxodentaceae |
| ↕ Length 21.4mm |
| Acquired by nickyjuju |
| Specimen image provided by nickyjuju |
| H. chydaeus mimic, Specimens found in Canada on bread bags of the brand Auger |
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Tridentaceae |
| ↕ Length 21.4mm |
| Acquired by Carsmaniac and The Breadtag Project |
| Specimen image provided by Carsmaniac |
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Tridentaceae |
| ↕ Length 21.4mm |
| Acquired by u/Ok-Presentation2222 |
| Specimen image to be added |
| C. fecundus mimic |
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Tridentaceae |
| ↕ Length 21.4mm |
| Acquired by Kurisu |
| Specimen image provided by Kurisu |
| S. hollandium mimic, Specimens found in Sydney, Australia. Only preyed on bags of white soft roll bread in Woolworths stores. Specimen will be sent in by Kurisu |
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Tridentaceae |
| ↕ Length 21.4mm |
| Acquired by nickyjuju |
| Specimen image provided by nickyjuju |
| P. acies mimic, Specimens found in Canada on bread bags of the brand Auger |
