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BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Hemithecella expansa

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4948494https://www.gbif.org/species/4948494
PaleoBioDB ID (PBDB)73867https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=73867
Rankspecies
Taxonomy (GBIF)Life : Animalia : Mollusca : Polyplacophora : Mattheviidae : Hemithecella : Hemithecella expansa
Taxonomy (PBDB)Life : Animalia : Mollusca : Polyplacophora : Mattheviidae : Hemithecella : Hemithecella expansa
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
genusHemithecellaButts 1941
speciesHemithecella expansaButts 1941
Generic NameHemithecella
Scientific NameHemithecella expansa Butts, 1941
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Hemithecella expansaspeciesbelongs to Hemithecellastated without evidenceButts, 1941
Hemithecella expansaspeciesbelongs to Hemithecellastated with evidenceRunnegar et al., 1979
Hemithecella expansaspeciesbelongs to Hemithecellastated without evidenceStinchcomb and Darrough, 1995
Hemithecella expansaspeciesbelongs to Hemithecellastated with evidenceVendrasco and Runnegar, 2004
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance485 - 479 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)C. Butts. 1941. Geology of the Appalachian Valley in Virginia. Part II ' Fossil plates and explanations. Virginia Geological Survey Bulletin 52:1-271

Fossil Distribution

Synonymy List

YearName and Author
1941Hemithecella expansa Butts pp. 19 - 20 figs. pl. 68 f. 6
1979Hemithecella expansa Runnegar et al. p. 1389 figs. pl. 1 f. 31-32
1995Hemithecella expansa Stinchcomb and Darrough pp. 58 - 60 figs. 6.7-6.15, 8.13, 8.14
2004Hemithecella expansa Vendrasco and Runnegar figs. 13.1-13.4

References

Butts C. (1941) Geology of the Appalachian Valley in Virginia. Part II ' Fossil plates and explanations, Virginia Geological Survey Bulletin 52, 1-271
Runnegar B., Pojeta, Jr. J., et al (1979) New species of the Cambrian and Ordovician chitons Matthevia and Chelodes from Wisconsin and Queensland: evidence for the early history of polyplacophoran mollusks, Journal of Paleontology 53 6, 1374-1394
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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