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Robustum nodum

Description

Robustum nodum is the one species of a problematic genus of Ordovician hemithecellid mollusc proposed by Stinchcomb and Darrough in 1995.Its similarities to Matthevia were outlined by Vendrasco & Runnegar.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4953779https://www.gbif.org/species/4953779
PaleoBioDB ID (PBDB)76010https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=76010
Rankspecies
Taxonomy (GBIF)Life : Animalia : Mollusca : Polyplacophora : Robustidae : Robustum : Robustum nodum
Taxonomy (PBDB)Life : Animalia : Mollusca : Polyplacophora : Mattheviidae : Robustum : Robustum nodum
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Spiralia
superphylumLophotrochozoa
phylumMolluscaLinnaeus 1758
-SerialiaGiribet et al. 2006
classPolyplacophorade Blainville 1816
subclassPaleoloricata
familyMattheviidaeWalcott 1886
genusRobustumStinchcomb and Darrough 1995
speciesRobustum nodumStinchcomb & Darrough 1995
Generic NameRobustum
Scientific NameRobustum nodum Stinchcomb & Darrough, 1995
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Robustum nodumspeciesbelongs to Robustumstated without evidenceStinchcomb and Darrough, 1995
Robustum nodumspeciesbelongs to Robustumstated with evidenceVendrasco and Runnegar, 2004
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance485 - 478 Ma
Paleozoic
Last Recorded Appearance485 - 478 Ma
Paleozoic
Environmentmarine,brackish (based on Polyplacophora)
Motilityfacultatively mobile, attached (based on Polyplacophora)
Visionlimited (based on Polyplacophora)
Dietgrazer (based on Polyplacophora)
Taphonomyminor ribbing (based on Mattheviidae)
Primary Reference (PBDB)B.L. Stinchcomb and G. Darrough. 1995. Some molluscan problematica from the Upper Cambrian - Lower Ordovician of the Ozark uplift. Journal of Paleontology 69(1):52-65
Wikipediahttps://en.wikipedia.org/wiki/Robustum_nodum

Fossil Distribution

Synonymy List

YearName and Author
1995Robustum nodum Stinchcomb and Darrough
2004Robustum nodum Vendrasco and Runnegar pp. 686 - 687 figs. 13.6–13.9, 13.13

References

Stinchcomb B.L., Darrough G. (1995) Some molluscan problematica from the Upper Cambrian - Lower Ordovician of the Ozark uplift, Journal of Paleontology 69 1, 52-65
Vendrasco M. J., Runnegar B. (2004) Late Cambrian and Early Ordovician stem group chitons (Mollusca: Polyplacophora) from Utah and Missouri, Journal of Paleontology 78 4, 675-689 doi:10.1666/0022-3360(2004)078<0675:lcaeos>2.0.co;2
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!
 
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