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Morenosaurus stocki

Description

Morenosaurus is an extinct genus of plesiosaur from the Cretaceous of what is now California. The type species is Morenosaurus stocki, first named by Samuel Welles in 1943, in honor of Dr. Chester Stock. The species was found by Robert Wallace and Arthur Drescher in the Panoche Hills region of Fresno County. The skeleton they found was fairly complete, and lacked only the head and parts of the neck and paddles; the preserved portion of the trunk and tail is 3.63 metres (11.9 ft) long. The skeleton was originally mounted at Caltech but is now in the Natural History Museum of Los Angeles County.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4968458https://www.gbif.org/species/4968458
PaleoBioDB ID (PBDB)114180https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=114180
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Elasmosauridae : Morenosaurus : Morenosaurus stocki
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Sauropterygia : Elasmosauridae : Morenosaurus : Morenosaurus stocki
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
orderSauropterygiaOwen 1861
-Pistosauria
-Plesiosauria
superfamilyPlesiosauroideaWelles 1943
-CryptoclidiaKetchum and Benson 2010
-XenopsariaBenson and Druckenmiller 2014
familyElasmosauridaeCope 1869
subfamilyAlzadasaurinae
genusMorenosaurusWelles 1943
speciesMorenosaurus stockiWelles 1943
Generic NameMorenosaurus
Scientific NameMorenosaurus stocki Welles, 1943
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Morenosaurus stockispeciesbelongs to Morenosaurusstated with evidenceWelles, 1943
Morenosaurus stockispeciesbelongs to Morenosaurusstated without evidenceCarpenter, 1999
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance72.1 - 66.0 Ma
Late/Upper Cretaceous
Last Recorded Appearance72.1 - 66.0 Ma
Late/Upper Cretaceous
Environmentmarine (based on Plesiosauria)
Motilityactively mobile (based on Plesiosauria)
Dietcarnivore (based on Plesiosauria)
Reproductionviviparous (based on Plesiosauria)
Taphonomyhydroxylapatite (based on Plesiosauria)
Primary Reference (PBDB)S. P. Welles. 1943. Elasmosaurid plesiosaurs with description of new material from California and Colorado. Memoirs of the University of California 13:125-254
Wikipediahttps://en.wikipedia.org/wiki/Morenosaurus_stocki

Fossil Distribution

Synonymy List

YearName and Author
1943Morenosaurus stocki Welles
1962Morenosaurus stocki Welles pp. 3, 76 fig. 22
1999Morenosaurus stocki Carpenter p. 165

References

Welles S. P. (1943) Elasmosaurid plesiosaurs with description of new material from California and Colorado, Memoirs of the University of California 13, 125-254
Welles S. P. (1962) A new species of elasmosaur from the Aptian of Colombia and a review of the Cretaceous plesiosaurs, University of California Publications in Geological Sciences 44 1, 1-96
Carpenter K. (1999) Revision of North American elasmosaurs from the Cretaceous of the Western Interior, Paludicola 2 2, 148-173
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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