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Hormotomidae ✝
| Source Data |
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| Rank | family (PBDB) | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Gastropoda : Murchisoniina : Hormotomidae | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 143 | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 485 - 479 Ma Paleozoic | |||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 336 - 326 Ma Carboniferous | |||||||||||||||||||||||||||||||||||||||||||||
| Motility | facultatively mobile (based on Murchisonioidea) | |||||||||||||||||||||||||||||||||||||||||||||
| Vision | limited (based on Gastropoda) | |||||||||||||||||||||||||||||||||||||||||||||
| Diet | suspension feeder (based on Murchisonioidea) | |||||||||||||||||||||||||||||||||||||||||||||
| Ecospace Comments | BODY SIZE: Based on component genera; 4 of 4 genera share 10 to < 100 length, 4 of 4 share 10 to < 100 width. | |||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Gastropoda) | |||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | W. Wenz. 1938. Handbuch der Paläozoologie; Gastropoda. Handbuch der Paläozoologie | |||||||||||||||||||||||||||||||||||||||||||||
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Catazone ✝ genus | accepted (GBIF) listed (PBDB) | 42 | 439 Ma Silurian | 392 Ma Middle Devonian | |
| Coelocaulus ✝ genus | accepted (GBIF) listed (PBDB) | 87 | 443 Ma Silurian | 336 Ma Carboniferous | |
| Diplozone ✝ genus | doubtful (GBIF) listed (PBDB) | 13 | 433 Ma Silurian | 411 Ma Early/Lower Devonian | |
| Gyrodoma ✝ genus | doubtful (GBIF) listed (PBDB) | 5 | 443 Ma Silurian | 383 Ma Late/Upper Devonian | |
| Hormotoma ✝ genus | accepted (GBIF) listed (PBDB) | 490 | 485 Ma Cambrian | 393 Ma Early/Lower Devonian | |
| Hormotomina ✝ genus | doubtful (GBIF) listed (PBDB) | 8 | 408 Ma Early/Lower Devonian | 388 Ma Middle Devonian | |
| Medfracaulus ✝ genus | accepted (GBIF) listed (PBDB) | 3 | 427 Ma Silurian | 427 Ma Silurian | |
| Plethospira ✝ genus | doubtful (GBIF) listed (PBDB) | 28 | 485 Ma Cambrian | 452 Ma Late/Upper Ordovician | |
| Ptychocaulus ✝ genus | doubtful (GBIF) listed (PBDB) | 15 | 439 Ma Silurian | 411 Ma Early/Lower Devonian |
Synonymy List
| Year | Name and Author |
|---|---|
| 1938 | Hormotomidae Wenz |
| 1999 | Hormotomidae Wagner p. 81 |
| 2005 | Hormotomidae Bouchet et al. p. 244 |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
