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Alzadasaurinae ✝

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)Not linked to a GBIF record.
PaleoBioDB ID (PBDB)199266https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=199266
Ranksubfamily (PBDB)
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Sauropterygia : Elasmosauridae : Alzadasaurinae
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
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Alzadasaurinaesubfamilybelongs to Elasmosauridaestated with evidenceWelles, 1962
Status (PBDB)extinct
Taxon Size (PBDB)9
First Recorded Appearance93.5 - 89.3 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. 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

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Alzadasaurus
genus
doubtful (GBIF)
listed (PBDB)
183.5 Ma
Late/Upper Cretaceous
83.5 Ma
Late/Upper Cretaceous
Aphrosaurus
genus
accepted (GBIF)
listed (PBDB)
172.1 Ma
Late/Upper Cretaceous
72.1 Ma
Late/Upper Cretaceous
Frenosaurus
genus
accepted (GBIF)
listed (PBDB)
172.1 Ma
Late/Upper Cretaceous
72.1 Ma
Late/Upper Cretaceous
Morenosaurus
genus
accepted (GBIF)
listed (PBDB)
272.1 Ma
Late/Upper Cretaceous
72.1 Ma
Late/Upper Cretaceous
Ogmodirus
genus
doubtful (GBIF)
listed (PBDB)
193.5 Ma
Late/Upper Cretaceous
93.5 Ma
Late/Upper Cretaceous

Synonymy List

YearName and Author
1962Alzadasaurinae Welles p. 4

References

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
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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