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Helminthochitonidae ✝
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| Rank | family | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF,PBDB) | Life : Animalia : Mollusca : Polyplacophora : Helminthochitonidae | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Helminthochitonidae | |||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 3 | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 388 - 383 Ma Devonian | |||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 383 - 372 Ma Late Devonian | |||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine,brackish (based on Polyplacophora) | |||||||||||||||||||||||||||||||||||||||||||||
| Motility | facultatively mobile, attached (based on Polyplacophora) | |||||||||||||||||||||||||||||||||||||||||||||
| Vision | limited (based on Polyplacophora) | |||||||||||||||||||||||||||||||||||||||||||||
| Diet | grazer (based on Polyplacophora) | |||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | aragonite (based on Polyplacophora) | |||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | R. D. Hoare. 2002. New genera of Paleozoic Polyplacophora (Mollusca). Journal of Paleontology 76(3):570-573 |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Diadelochiton ✝ genus | accepted (GBIF) listed (PBDB) | 2 | 388 Ma Middle Devonian | 383 Ma Late Devonian | |
| Echinochiton ✝ genus | accepted (GBIF) listed (PBDB) | 1 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
| Helminthochiton ✝ genus | accepted (GBIF) listed (PBDB) | 17 | 466 Ma Middle Ordovician | 260 Ma Permian | |
| Kindbladochiton ✝ genus | accepted (GBIF) listed (PBDB) |
Synonymy List
| Year | Name and Author |
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| 1975 | Helminthochitonidae Van Belle |
| 2002 | Helminthochitonidae Hoare p. 570 |
References
| Hoare R. D. (2002) New genera of Paleozoic Polyplacophora (Mollusca), Journal of Paleontology 76 3, 570-573 |
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!
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!
