Submission Type
Poster
Start Date
April 2021
Abstract
The Dacryoconarids, small, thin-walled, and cone-shaped, are an extinct taxon in Class Tentaculitoidea, which is of uncertain affinities. Dacryoconarids were widespread throughout the middle Silurian to the Late Devonian when they went extinct. This study focuses on the lower Upper Devonian Dacryoconarids of the Genundewa and West River formations from western New York State. Samples collected from these formations revealed many smooth shelled Styliolinids, however, no difinitive ribbed Dacryoconarids. Calcite was found to have internally filled in the shell of some Styliolinids, showing how thin the external shell is and raising questions about septa orientations. Due to their global occurrence, they are potentially important as biostratigraphic markers and paleoenvironment indicators.
Recommended Citation
de Jong, Emily, "357— Dacryoconarids of the Genundewa and West River formations, Upper Devonian in western New York" (2021). GREAT Day Posters. 5.
https://knightscholar.geneseo.edu/great-day-symposium/great-day-2021/posters-2021/5
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Included in
357— Dacryoconarids of the Genundewa and West River formations, Upper Devonian in western New York
The Dacryoconarids, small, thin-walled, and cone-shaped, are an extinct taxon in Class Tentaculitoidea, which is of uncertain affinities. Dacryoconarids were widespread throughout the middle Silurian to the Late Devonian when they went extinct. This study focuses on the lower Upper Devonian Dacryoconarids of the Genundewa and West River formations from western New York State. Samples collected from these formations revealed many smooth shelled Styliolinids, however, no difinitive ribbed Dacryoconarids. Calcite was found to have internally filled in the shell of some Styliolinids, showing how thin the external shell is and raising questions about septa orientations. Due to their global occurrence, they are potentially important as biostratigraphic markers and paleoenvironment indicators.
Comments
Sponsor: D. Jeffrey Over