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Ambulacraria
Source Data |
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Rank | unranked clade (PBDB) | ||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Ambulacraria | ||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extant | ||||||||||||||||||||||||
Taxon Size (PBDB) | 9,810 | ||||||||||||||||||||||||
Extant Size (PBDB) | 845 (8.6%) | ||||||||||||||||||||||||
First Recorded Appearance | 530 - 516 Ma Cambrian | ||||||||||||||||||||||||
Primary Reference (PBDB) | G. D. Edgecombe, G. Giribet, and C. W. Dun, A. Hejnol, R. M. Kristensen, R. C. Neves, G. W. Rouse, K. Worsaae, M. V. Sorensen. 2011. Higher-level metazoan relationships: recent progress and remaining questions. Organisms Diversity & Evolution 11(2):151-172 |
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Echinodermata phylum | accepted (GBIF) listed (PBDB) | 30,344 | 530 Ma Cambrian | 0 Ma Extant | |
Hemichordata phylum | accepted (GBIF) listed (PBDB) | Acorn Worm | 7,230 | 520 Ma Cambrian | 0 Ma Extant |
Synonymy List
Year | Name and Author |
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1998 | Ambulacralia Zrzavy et al. |
2011 | Ambulacraria Edgecombe et al. p. 153 figs. Fig. 1 |
2012 | Ambulacraria Nielsen p. 316 |
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!