Santa Marta, Alpha (Cretaceous to of Antarctica)

Also known as Lower Lachman Crags Member

Where: Antarctica (63.9° S, 58.0° W: paleocoordinates 61.7° S, 68.6° W)

• coordinate stated in text

When: Alpha Member ( Santa Marta Formation), Santonian to Santonian (86.3 - 72.1 Ma)

• "We recovered coral samples from the middle Alpha Member of the Santa Marta Formation, approximately 150 m above the base of the formation in this location"

Environment/lithology: transition zone or lower shoreface; tuffaceous, silty sandstone and mudstone

• "Represents an inner to outer shelf environment of shallow water and is commonly very fossiliferous"
• "The Alpha Member comprises a sequence of tuffaceous silty sandstones and mudstones"

Size classes: macrofossils, mesofossils

Primary reference: R. Videira-Santos, T. S. Tobin, and S. M. Scheffler. 2022. New occurrences of caryophylliid and fungiacyathid scleractinian corals from the Santa Marta and Snow Hill Island formations (Upper Cretaceous, Antarctica). Cretaceous Research 140:105338 [W. Kiessling/A. Watson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 234579: authorized by Wolfgang Kiessling, entered by Alissa Watson on 25.04.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Other fauna found in direct association with the coral specimens include inoceramid bivalves, unidentifiable bivalve fragments, and a partial regular echinoid test." and "These corals were recovered in association with several ammonite taxa"
Show authors, comments, and common names
Anthozoa
 Scleractinia - Caryophylliidae
Heterocyathus filkorni n. sp., ? Dasmosmilia sp.
Heterocyathus filkorni n. sp. stony coral
? Dasmosmilia sp. Pourtalès 1880 stony coral