Also known as Ectenosaurus shannoni locality
Where: Greene County, Alabama (33.0° N, 88.0° W: paleocoordinates 35.8° N, 60.0° W)
• coordinate estimated from map
When: unnamed Member (Mooreville Chalk Formation), Early/Lower Campanian (83.5 - 70.6 Ma)
• The specimen was collected from erosional gullies within the lower 21 meters of the unnamed member of the Mooreville Chalk (Selma Group, lower Campanian,
•Upper Cretaceous).
• formation-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
• ALMNH:Paleo:5452 consists of several bones from a disarticulated skull and axial skeleton, including the frontal, parietal, right splenial, right coronoid, a fragment of the left quadrate, numerous indeterminate skull fragments, an incomplete scapula, and several badly weathered vertebrae, including five cervicals, thirteen dorsals, five pygals, and four caudals.
Collected by S.W. Shannon and J. Kidd in 1976
Collection methods: quarrying, surface (float),
• ALMNH, University of Alabama Museum of Natural History, Tuscaloosa, Alabama, USA.
•
•The specimen was collected in November 1976 by S.W. Shannon and J. Kidd from erosional gullies within the lower 21 meters of the unnamed member of the Mooreville Chalk (Selma Group, lower Campanian, Upper Cretaceous), located in the NE 1/4, SE 1/4
•of Sec. 30, T22N, R1E., Greene County, Alabama, USA.
Primary reference: C. R. Kiernan and J. A. Ebersole. 2023. Two new plioplatecarpine mosasaurs (Mosasauridae; Plioplatecarpinae) of the genus Ectenosaurus from the Upper Cretaceous of North America. PaleoBios 40(13):1-28 [E. Vlachos/F. Aspromonte/P. Mannion]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 232232: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 02.11.2023
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Ectenosaurus shannoni n. sp.
Ectenosaurus shannoni n. sp. Kiernan and Ebersole 2023 mosasaur ALMNH:Paleo:5452 (holotype), several bones from a disarticulated skull and axial skeleton
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