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Hexasterophora
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| Rank | subclass (PBDB) | |||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Porifera : Hexactinellida : Hexasterophora | |||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extant | |||||||||||||||||||||
| Taxon Size (PBDB) | 286 | |||||||||||||||||||||
| Extant Size (PBDB) | 37 (13%) | |||||||||||||||||||||
| First Recorded Appearance | 456 - 450 Ma Late/Upper Ordovician | |||||||||||||||||||||
| Environment | marine (based on Hexactinellida) | |||||||||||||||||||||
| Motility | stationary, attached (based on Hexactinellida) | |||||||||||||||||||||
| Vision | blind (based on Hexactinellida) | |||||||||||||||||||||
| Diet | suspension feeder (based on Hexactinellida) | |||||||||||||||||||||
| Taphonomy | silica (based on Hexactinellida) | |||||||||||||||||||||
| Primary Reference (PBDB) | R. K. Bambach, A. M. Bush, and D. H. Erwin. 2007. Supplement to Autecology and the filling of ecospace: Key metazoan radiations. Palaeontology 50(1):1-22 | |||||||||||||||||||||
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Hexactinosa order | listed (PBDB) | 651 | 456 Ma Late/Upper Ordovician | 0 Ma Extant | |
| Lychniscosida order | accepted (GBIF) listed (PBDB) | 3 | 93.5 Ma Late/Upper Cretaceous | 0 Ma Extant | |
| Thalamospongia ✝ genus | listed (PBDB) | 1 | 140 Ma Early/Lower Cretaceous | 140 Ma Early/Lower Cretaceous |
Synonymy List
| Year | Name and Author |
|---|---|
| 1886 | Hexasterophora Schulze |
| 1993 | Hexasterophora Rigby and Mohanti p. 917 |
| 1996 | Hexasterophora Rigby and Albi p. 909 |
| 2007 | Hexasterophora Bambach et al. p. S4 |
| 2012 | Hexasterophora Worheide et al. p. 35 figs. Fig. 1.5 |
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!
