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Rhoptrum ✝
Source Data |
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Rank | genus (PBDB) | ||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Porifera : Demospongea : Tetralithistida : Theonellidae : Rhoptrum | ||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 2 | ||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 125 - 113 Ma Early/Lower Cretaceous | ||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 47.8 - 41.3 Ma Eocene | ||||||||||||||||||||||||||||||||||||
Environment | marine (based on Lithistida) | ||||||||||||||||||||||||||||||||||||
Motility | stationary, attached (based on Lithistida) | ||||||||||||||||||||||||||||||||||||
Diet | suspension feeder (based on Lithistida) | ||||||||||||||||||||||||||||||||||||
Taphonomy | silica (based on Lithistida) | ||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | A. Schrammen. 1910. Die Kieselspongien der oberen Kreide von Nordwestdeutschland, Teil 1 Tetraxonia, Monaxonia und Silicea incert. sedis [Upper Cretaceous sponges from north-western Germany, part 1 Tetraxonia, Monaxonia and Silicea incert. sedis]. Palaeontographica, Supplement 5:1-175 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Rhoptrum scytaliforme ✝ species | listed (PBDB) | 2 | 125 Ma Early/Lower Cretaceous | 83.6 Ma Late/Upper Cretaceous |
Synonymy List
Year | Name and Author |
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1910 | Rhoptrum Schrammen |
2002 | Rhoptrum Sepkoski, Jr. |
2004 | Rhoptrum Finks et al. |
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!