Also known as Callawayasaurus colombiensis type, Leiva
Where: Boyacá, Colombia (5.6° N, 73.6° W: paleocoordinates 3.7° N, 42.2° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Early/Lower Aptian (121.4 - 122.5 Ma)
• Bürgl (1954) lists the associated ammonites as Deshayesites colombianus Riedel, D. sp. indet., Procheloniceras albrechti austriae (Hohenegger), and Cheloniceras subnodoscostatum (Sinzow).
Environment/lithology: marine; concretionary, gypsiferous, hematitic, gray, calcareous siltstone
Size class: macrofossils
Collected by Dr R. A. Stirton in 1945; reposited in the UCMP
Collection methods: quarrying,
Primary reference: 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 [R. Benson/R. Benson]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 116639: authorized by Roger Benson, entered by Roger Benson on 10.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Alzadasaurus colombiensis n. sp." = Callawayasaurus colombiensis
"Alzadasaurus colombiensis n. sp." = Callawayasaurus colombiensis Welles 1962 elasmosaur UCMP 38349 (holotype)
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