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Chaetognatha
Source Data |
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Rank | phylum (PBDB) | ||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Chaetognatha | ||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Common Name | arrow worm | ||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extant | ||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 32 | ||||||||||||||||||||||||||||||
Extant Size (PBDB) | 1 (3.1%) | ||||||||||||||||||||||||||||||
First Recorded Appearance | 541 - 530 Ma Cambrian | ||||||||||||||||||||||||||||||
Motility | actively mobile (based on Chaetognatha) | ||||||||||||||||||||||||||||||
Diet | carnivore (based on Chaetognatha) | ||||||||||||||||||||||||||||||
Ecospace Comments | LIFE HISTORY: Pelagic, fully motile fast, carnivore according to Bambach et al (2007). | ||||||||||||||||||||||||||||||
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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Protoconodonta ✝ class | listed (PBDB) | 185 | 541 Ma Cambrian | 513 Ma Cambrian | |
Protoconodontida ✝ order | listed (PBDB) | 65 | 541 Ma Cambrian | 501 Ma Cambrian | |
Eognathacantha ✝ genus | listed (PBDB) | ||||
Paucijaculum ✝ genus | accepted (GBIF) listed (PBDB) | 2 | 311 Ma Carboniferous | 311 Ma Carboniferous | |
Titerina ✝ genus | listed (PBDB) |
Synonymy List
Year | Name and Author |
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1854 | Chaetognatha Leuckart |
1998 | Chaetognatha Zrzavy et al. |
2002 | Chaetognatha Sepkoski, Jr. |
2011 | Chaetognatha Edgecombe et al. p. 153 figs. Fig. 1 |
2012 | Chaetognatha Nielsen p. 304 |
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!