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Murchisonia gracilis

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)5933362https://www.gbif.org/species/5933362
PaleoBioDB ID (PBDB)69515https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=69515
Rankspecies
Taxonomy (GBIF)Life : Animalia : Mollusca : Gastropoda : Pleurotomariida : Murchisoniidae : Murchisonia : Murchisonia gracilis
Taxonomy (PBDB)Life : Animalia : Mollusca : Gastropoda : Murchisoniina : Hormotomidae : Hormotoma : Murchisonia gracilis
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Spiralia
superphylumLophotrochozoa
phylumMolluscaLinnaeus 1758
classGastropodaCuvier 1797
subclassOrthogastropodaPonder and Lindberg 1997
orderMurchisoniinaCox and Knight 1960
superfamilyMurchisonioidea
familyHormotomidaeWenz 1938
genusHormotoma
speciesMurchisonia gracilisGoldfuss 1844
Generic NameMurchisonia
Scientific NameMurchisonia gracilis (Goldfuss, 1844)
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Hormotoma gracilisspeciesbelongs to Murchisoniastated without evidenceHall, 1847
Hormotoma gracilisspeciesbelongs to Hormotomastated without evidenceSalter, 1859
Hormotoma gracilisspeciesbelongs to Murchisonia (Hormotoma)stated with evidenceUlrich and Scofield, 1897
Hormotoma gracilisspeciesbelongs to Murchisonia (Hormotoma)stated without evidenceFoerste, 1923
Hormotoma gracilisspeciesbelongs to Murchisonia (Hormotoma)stated with evidenceKnight, 1941
Hormotoma gracilisspeciesbelongs to Murchisonia (Hormotoma)stated without evidenceWilson, 1951
Hormotoma gracilisspeciesbelongs to Hormotomastated with evidenceKnight et al., 1960
Hormotoma gracilisspeciesbelongs to Murchisonia (Hormotoma)stated without evidenceLiberty, 1969
Hormotoma gracilisspeciesbelongs to Murchisonia (Hormotoma)stated with evidenceWagner, 1999
Status (PBDB)extinct
Taxon Size (PBDB)6
First Recorded Appearance485 - 479 Ma
Paleozoic
Last Recorded Appearance450 - 443 Ma
Paleozoic
Motilityactively mobile (based on Hormotoma)
Visionlimited (based on Gastropoda)
Dietherbivore (based on Hormotoma)
Taphonomyaragonite (based on Gastropoda)
Primary Reference (PBDB)J. Hall. 1847. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Hormotoma gracilis angustata
subspecies
accepted (GBIF)
listed (PBDB)
Hormotoma gracilis angustatus
subspecies
listed (PBDB)15461 Ma
Middle Ordovician
461 Ma
Middle Ordovician
Hormotoma gracilis goodhuensis
subspecies
accepted (GBIF)
listed (PBDB)
Hormotoma gracilis gracilis
subspecies
accepted (GBIF)No associated record in PBDB
Hormotoma gracilis multivolvis
subspecies
accepted (GBIF)
listed (PBDB)
Hormotoma gracilis sublaxa
subspecies
accepted (GBIF)
listed (PBDB)
Murchisonia gracilis angustatus
subspecies
accepted (GBIF)No associated record in PBDB
Murchisonia gracilis gracilis
subspecies
accepted (GBIF)No associated record in PBDB

Obsolete Names

NameSourceTaxon RankTaxonomy
Hormotoma gracilis (Hall, 1847)GBIFspeciesAnimalia : Mollusca : Gastropoda : Pleurotomariida : Murchisoniidae : Murchisonia : Hormotoma gracilis
Murchisonia gracilis (Hall, 1847)GBIFspeciesAnimalia : Mollusca : Gastropoda : Pleurotomariida : Murchisoniidae : Murchisonia : Murchisonia gracilis
Solenospira gracilis (Goldfuss, 1844)GBIFspeciesAnimalia : Mollusca : Gastropoda : Pleurotomariida : Murchisoniidae : Murchisonia : Solenospira gracilis

Synonymy List

YearName and Author
1847Murchisonia gracilis Hall pp. 181; 303 figs. pl. 39 f. 4a-c; pl. 83 f. 1a-b
1859Murchisonia (Hormotoma) gracilis Salter p. 22
1897Hormotoma gracilis Ulrich and Scofield pp. 1014 - 1015 figs. pl. 70 f. 18-21, ?22
1923Hormotoma gracilis Foerste p. 80
1941Hormotoma gracilis Knight p. 152 figs. pl. 45 f. 2a-c
1951Hormotoma gracilis Wilson p. 41 figs. pl. 4 f. 15; text f. 1.6
1960Murchisonia (Hormotoma) gracilis Knight et al. p. 291 fig. f.190.3
1969Hormotoma gracilis Liberty
1999Hormotoma gracilis Wagner

References

Hall J. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe), Paleontology of New York 1, 1-338
Salter J. W. , Figures and descriptions of Canadian organic remains, 1-47
Ulrich E. O., Scofield W. H. The Lower Silurian Gastropoda of Minnesota, The Paleontology of Minnesota 39 2, 813-1081
Foerste A. F. (1923) Notes on the Medinan, Niagaran, and Chester fossils, Bulletin of the Scientific Laboratories of Denison University 23, 37-120
Knight J. B. (1941) Paleozoic gastropod genotypes, Geological Society of America Special Paper 32, 1-510
Wilson A. E. (1951) Gastropoda and Conularida of the Ottawa Formation of the Ottawa - St. Lawrence Lowland, Geological Survey of Canada Bulletin 17, 1-149
Knight J. B., Cox L. R., et al (1960) Systematic descriptions, Treatise on Invertebrate Paleontology. Mollusca I 1, 169-339
Liberty B. A. (1969) Palaeozoic geology of the Lake Simcoe Area, Ontario, Geological Survey of Canada Memoirs 355, 1-201
Wagner P. J. (1999) Phylogenetics of the earliest anisostrophically coiled gastropods, Smithsonian Contributions to Paleobiology 88, 1-132
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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