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Janassidae
| Source Data |
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| Rank | family (PBDB) | ||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Chordata : Chondrichthyes : Petalodontiformes : Janassidae | ||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extant | ||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 56 | ||||||||||||||||||||||||||||||||||||||||||
| Extant Size (PBDB) | 15 (27%) | ||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 359 - 323 Ma Paleozoic | ||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Vertebrata) | ||||||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Petalodontiformes) | ||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Petalodontiformes) | ||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | phosphatic (based on Vertebrata) | ||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | R. Lund. 1989. New petalodonts (Chondrichthyes) from the Upper Mississippian Bear Gulch Limestone (Namurian Eb) of Montana. Journal of Vertebrate Paleontology 9(3):350-368 | ||||||||||||||||||||||||||||||||||||||||||
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Aganacanthus ✝ genus | listed (PBDB) | ||||
| Antacanthus ✝ genus | listed (PBDB) | ||||
| Cholodus ✝ genus | listed (PBDB) | ||||
| Ctenopetalus ✝ genus | listed (PBDB) | ||||
| Cymatodus genus | listed (PBDB) | 0 Ma Extant | |||
| Dactylodus ✝ genus | listed (PBDB) | ||||
| Fissodus genus | listed (PBDB) | 3 | 307 Ma Carboniferous | 0 Ma Extant | |
| Gamphacanthus ✝ genus | listed (PBDB) | ||||
| Gomphacanthus ✝ genus | listed (PBDB) | ||||
| Janassa genus | listed (PBDB) | 45 | 359 Ma Late/Upper Devonian | 0 Ma Extant | |
| Peltodus genus | listed (PBDB) | 0 Ma Extant | |||
| Petalodopsis ✝ genus | listed (PBDB) | ||||
| Phoderacanthus ✝ genus | listed (PBDB) | ||||
| Platacanthus ✝ genus | listed (PBDB) | ||||
| Pnigeacanthus ✝ genus | listed (PBDB) | ||||
| Pristicladodus ✝ genus | listed (PBDB) | 1 | 359 Ma Late/Upper Devonian | 359 Ma Late/Upper Devonian | |
| Stichacanthus ✝ genus | listed (PBDB) | 2 | 359 Ma Late/Upper Devonian | 359 Ma Late/Upper Devonian | |
| Thoracodus ✝ genus | listed (PBDB) |
Synonymy List
| Year | Name and Author |
|---|---|
| 1899 | Janassidae Jaekel |
| 1963 | Janassidae Jordan p. 593 |
| 1989 | Janassidae Lund p. 359 |
| 2006 | Janassidae Nelson p. 43 |
| 2010 | Janassidae Ginter et al. p. 134 |
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!
