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Trochonematidae ✝
| Source Data |
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| Rank | family (PBDB) | |||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Gastropoda : Trochonematidae | |||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 74 | |||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 485 - 479 Ma Paleozoic | |||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 130 - 125 Ma Early/Lower Cretaceous | |||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Gastropoda) | |||||||||||||||||||||||||||||||||||||||
| Vision | limited (based on Gastropoda) | |||||||||||||||||||||||||||||||||||||||
| Ecospace Comments | BODY SIZE: Based on component genera; 3 of 3 genera share 10 to < 100 length, 3 of 3 share 10 to < 100 width. | |||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Gastropoda) | |||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | K. A. von Zittel. 1895. Grundzuge der Palaeontologie | |||||||||||||||||||||||||||||||||||||||
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Berouniconcha ✝ genus | accepted (GBIF) listed (PBDB) | 2 | 427 Ma Silurian | 427 Ma Silurian | |
| Globonema ✝ genus | accepted (GBIF) listed (PBDB) | 51 | 466 Ma Middle Ordovician | 408 Ma Early/Lower Devonian | |
| Guidonia ✝ genus | accepted (GBIF) listed (PBDB) | 20 | 228 Ma Late/Upper Triassic | 130 Ma Early/Lower Cretaceous | |
| Slehoferia ✝ genus | accepted (GBIF) listed (PBDB) | 4 | 458 Ma Late/Upper Ordovician | 456 Ma Late/Upper Ordovician | |
| Trochonema ✝ genus | accepted (GBIF) listed (PBDB) | 246 | 485 Ma Cambrian | 265 Ma Permian | |
| Trochonemella ✝ genus | accepted (GBIF) listed (PBDB) | 25 | 468 Ma Middle Ordovician | 445 Ma Late/Upper Ordovician |
Synonymy List
| Year | Name and Author |
|---|---|
| 1895 | Trochonematidae von Zittel |
| 1960 | Trochonematidae Knight et al. p. 224 |
| 1975 | Trochonematidae Golikov and Starobogatov p. 208 |
| 2003 | Trochonematidae Jeffery |
| 2005 | Trochonematidae Bouchet et al. p. 242 |
| 2016 | Trochonematidae Nützel and Ketwetsuriya p. 492 |
| 2017 | Trochonematidae Wagner |
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!
Rock County, Wisconsin, USA