The January 2025 Paleontology Study Group Meeting will be held on January 18, 2025 via Zoom. Our presenter is John Catalani and his topic is "The 'Arctic Fauna'". The name refers to where the fossil assemblage was first discovered - Greenland and Baffin Island, although they are now known from many localities including the Stewartville Bed (Wise Lake Member of the Galena Formation).
The Arctic Fauna is composed of two stratigraphic units that can be correlated with modern stratigraphic terms. The older Red River/Bighorn Fauna correlates with the Edenian/Maysvillian NA Stages while the younger Stony Mountain Fauna is Richmondian in age. The term “Arctic Fauna” is, of course, misleading since the Fauna is tropical in nature, a fact recognized by Foerste and Flower as was the Invasion. The term “Arctic” was used due to the original location of fossils in Greenland and Baffin Island. Arctic Fauna fossils have been found from Greenland to New Mexico with mid-west representatives from the Stewartville Bed (Wise Lake Member of the Galena Formation). Fossils are abundant, well-preserved, and often of extremely large size. Examples of the two Arctic Faunas, mainly cephalopods, will be shown from original sources with examples of Stewartville fossils from my collection. Additional faunal elements with Stewartville examples will be discussed. The Richmondian Invasion will be briefly covered with The Arctic Fauna as one of the, possibly main, Invasion pathways. Incumbents and Invaders will be discussed as well as the stratigraphic ranges of some Invaders (Stigall 2023)
Esconi Host is inviting you to a scheduled Zoom meeting.
Topic: ESCONI Paleontology Meeting Jan 18th at 7:30 PM
Presentation: "The Arctic Fauna"
Presented By: John Catalani
Time: Jan 18, 2025 07:30 PM Central Time (US and Canada)
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Meeting ID: 819 6237 7736
Passcode: 649862
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