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Helderberg - Manlius - Thacher, New York, USA

Group	Helderberg
Formation	Manlius
Member	Thacher
Age:	419 - 411 Ma Early/Lower Devonian
Interval	Lochkovian
Lithology	marl, lime mudstone
Number of Collections	3
Number of Occurrences	24

Recorded Sample Locations

Location	Region	Stratigraphic Name
Sharon Springs Thacher	Schoharie County, New York, USA	Helderberg - Manlius - Thacher
Gallupville	Schoharie County, New York, USA	Helderberg - Manlius - Thacher
Richfield Springs - Thacher	Herkimer County, New York, USA	Helderberg - Manlius - Thacher

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Tentaculites sp. genus	6	Animalia : Mollusca : Tentaculitidae : *Tentaculites*	419.2 - 410.8 Ma Early/Lower Devonian
Leperditia sp. genus	6	Animalia : Arthropoda : Ostracoda : Leperditiidae : *Leperditia*	419.2 - 410.8 Ma Early/Lower Devonian
Herrmannina sp. genus	6	Animalia : Arthropoda : Ostracoda : Leperditiidae : *Herrmannina*	419.2 - 410.8 Ma Early/Lower Devonian
Kloedenia sp. genus	6	Animalia : Arthropoda : Ostracoda : Kloedeniidae : *Kloedenia*	419.2 - 410.8 Ma Early/Lower Devonian
Kloedenella sp. genus	6	Animalia : Arthropoda : Ostracoda : Palaeocopida : Kloedenellidae : *Kloedenella*	419.2 - 410.8 Ma Early/Lower Devonian
Howellella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Delthyrididae : *Howellella*	419.2 - 410.8 Ma Early/Lower Devonian
Mesodouvillina varistriata species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Amphistrophiidae : Mesodouvillina : *Mesodouvillina varistriata*	419.2 - 410.8 Ma Early/Lower Devonian
Bryozoa phylum	2	Animalia : Bryozoa	419.2 - 410.8 Ma Early/Lower Devonian
Monotrypella sp. genus	6	Animalia : Bryozoa : Stenolaemata : Trepostomida : *Monotrypella*	419.2 - 410.8 Ma Early/Lower Devonian
Pyrgopostibulla belli species	7	Animalia : Echinodermata : Edrioasteroidea : Isorophida : Agelacrinitidae : Pyrgopostibulla : *Pyrgopostibulla belli*	419.2 - 410.8 Ma Early/Lower Devonian
Bivalvia class	3	Animalia : Mollusca : Bivalvia	419.2 - 410.8 Ma Early/Lower Devonian
Megambonia sp. genus	6	Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : *Megambonia*	419.2 - 410.8 Ma Early/Lower Devonian
Gastropoda class	3	Animalia : Mollusca : Gastropoda	419.2 - 410.8 Ma Early/Lower Devonian
Littorina antiqua species	7	Animalia : Mollusca : Gastropoda : Trochida : Tychobraheidae : Asinomphalus : *Littorina antiqua*	419.2 - 410.8 Ma Early/Lower Devonian
Parallelostroma microporum species	7	Animalia : Porifera : Stromatoporoidea : Syringostromatida : Coenostromatidae : Parallelostroma : *Parallelostroma microporum*	419.2 - 410.8 Ma Early/Lower Devonian

References

Rickard L.V., Zenger D.H. (1964) Stratigraphy and Paleontology of the Richfield Springs and Cooperstown Quadrangles, New York, Bulletin of the New York State Museum and Science Service 396, 101

Sumrall C. D. (2006) The Systematics and Ontogeny of Pyrgopostibulla belli, a New Edrioasteroid (Echinodermata) from the Lower Devonian of New York, Journal of Paleontology 80 1, 187-192

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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