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Tolmachovia ✝
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| Rank | genus | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF) | Life : Animalia : Mollusca : Ischyriniidae : Tolmachovia | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Rostroconchia : Ribeirioida : Ischyriniidae : Tolmachovia | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Tolmachovia Howell & Kobayashi, 1936 | |||||||||||||||||||||||||||||||||||||||||||||
| Name Published In | Ann. Carneg. Mus., 25 | |||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 9 | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 494 - 485 Ma Cambrian | |||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 461 - 450 Ma Ordovician | |||||||||||||||||||||||||||||||||||||||||||||
| Motility | stationary (based on Rostroconchia) | |||||||||||||||||||||||||||||||||||||||||||||
| Vision | blind (based on Rostroconchia) | |||||||||||||||||||||||||||||||||||||||||||||
| Diet | suspension feeder (based on Rostroconchia) | |||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | B. F. Howell and T. Kobayashi. 1936. A new notastracan genus from the Ordovician of Siberia. Annals of the Carnegie Museum 25(1):59-61 |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Obolus andina species | accepted (GBIF) | No associated record in PBDB | |||
| Ribeiria crassa species | accepted (GBIF) | No associated record in PBDB | |||
| Tolmachovia andina ✝ species | listed (PBDB) | 1 | 485 Ma Cambrian | 485 Ma Cambrian | |
| Tolmachovia babini ✝ species | accepted (GBIF) listed (PBDB) | 2 | 466 Ma Middle Ordovician | 466 Ma Middle Ordovician | |
| Tolmachovia belfordi ✝ species | accepted (GBIF) listed (PBDB) | 3 | 494 Ma Cambrian | 485 Ma Cambrian | |
| Tolmachovia concentrica ✝ species | accepted (GBIF) listed (PBDB) | 4 | 485 Ma Cambrian | 466 Ma Middle Ordovician | |
| Tolmachovia corbetti ✝ species | accepted (GBIF) listed (PBDB) | 1 | 474 Ma Early/Lower Ordovician | 474 Ma Early/Lower Ordovician | |
| Tolmachovia crassa ✝ species | listed (PBDB) | ||||
| Tolmachovia landeyranensis ✝ species | accepted (GBIF) listed (PBDB) | 2 | 472 Ma Early/Lower Ordovician | 472 Ma Early/Lower Ordovician | |
| Tolmachovia sublirata ✝ species | accepted (GBIF) listed (PBDB) | 1 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Synonymy List
| Year | Name and Author |
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| 1936 | Tolmachovia Howell and Kobayashi |
| 1976 | Tolmachovia Pojeta and Runnegar p. 47 |
| 2002 | Tolmachovia Sepkoski, Jr. |
| 2010 | Tolmachovia Bouchet et al. |
| 2020 | Tolmachovia Wagner p. G672 |
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!
