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Stygina ✝
Source Data |
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Rank | genus (PBDB) | ||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Arthropoda : Trilobita : Corynexochida : Styginidae : Stygina | ||||||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 9 | ||||||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 479 - 466 Ma Ordovician | ||||||||||||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 445 - 443 Ma Paleozoic | ||||||||||||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Motility | actively mobile (based on Corynexochida) | ||||||||||||||||||||||||||||||||||||||||||||||||
Vision | well-developed (based on Styginidae) | ||||||||||||||||||||||||||||||||||||||||||||||||
Diet | carnivore (based on Corynexochida) | ||||||||||||||||||||||||||||||||||||||||||||||||
Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Taphonomy | low Mg calcite, chitin (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Stygina (Protostygina) ✝ subgenus | listed (PBDB) | ||||
Stygina angustifrons ✝ species | accepted (GBIF) listed (PBDB) | 3 | 456 Ma Late/Upper Ordovician | 450 Ma Late/Upper Ordovician | |
Stygina latifrons ✝ species | accepted (GBIF) listed (PBDB) | 11 | 456 Ma Late/Upper Ordovician | 445 Ma Late/Upper Ordovician | |
Stygina minor ✝ species | accepted (GBIF) listed (PBDB) | 19 | 467 Ma Middle Ordovician | 450 Ma Late/Upper Ordovician | |
Stygina murchisoni ✝ species | accepted (GBIF) listed (PBDB) | ||||
Stygina plautoni ✝ species | accepted (GBIF) listed (PBDB) | 1 | 464 Ma Middle Ordovician | 464 Ma Middle Ordovician |
Synonymy List
Year | Name and Author |
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1853 | Stygina Salter |
1925 | Stygina Warburg |
1955 | Stygina Skjeseth |
1980 | Stygina Owen and Bruton |
1981 | Stygina Owen |
2000 | Stygina Whittington |
2002 | Stygina Jell and Adrain p. 449 |
2002 | Stygina Sepkoski, Jr. |
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!