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Planaterga
| Source Data |
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| Rank | unranked clade (PBDB) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Arthropoda : Xiphosura : Xiphosurida : Planaterga | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extant | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 3,707 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Extant Size (PBDB) | 779 (21%) | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 468 - 461 Ma Middle Ordovician | ||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Xiphosura) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Vision | limited (based on Xiphosurida) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Xiphosura) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | J. C. Lamsdell. 2013. Revised systematics of Palaeozoic 'horseshoe crabs' and the myth of monophyletic Xiphosura. Zoological Journal of the Linnean Society 167:1-27 | ||||||||||||||||||||||||||||||||||||||||||||||||
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Bembicosoma ✝ genus | listed (PBDB) | 1 | 439 Ma Silurian | 439 Ma Silurian | |
| Bunaia ✝ genus | listed (PBDB) | 1 | 423 Ma Silurian | 423 Ma Silurian | |
| Bunodes ✝ genus | listed (PBDB) | 1 | 426 Ma Silurian | 426 Ma Silurian | |
| Cyamocephalus ✝ genus | listed (PBDB) | ||||
| Limuloides ✝ genus | listed (PBDB) | 1 | 423 Ma Silurian | 423 Ma Silurian | |
| Pasternakevia ✝ genus | listed (PBDB) | ||||
| Pseudoniscus ✝ genus | listed (PBDB) | 4 | 427 Ma Silurian | 423 Ma Silurian | |
| Dekatriata unranked clade | listed (PBDB) | 3,985 | 468 Ma Middle Ordovician | 0 Ma Extant |
Synonymy List
| Year | Name and Author |
|---|---|
| 2013 | Planaterga Dunlop et al. p. 8 |
| 2013 | Planaterga Lamsdell p. 19 |
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!
