30365 - Top Rare 0.36 Inch Radnoria bretti Lower Silurian Trilobite - New York USA
30365 - Top Rare 0.36 Inch Radnoria bretti Lower Silurian Trilobite - New York USA 30365 - Top Rare 0.36 Inch Radnoria bretti Lower Silurian Trilobite - New York USA 30365 - Top Rare 0.36 Inch Radnoria bretti Lower Silurian Trilobite - New York USA 30365 - Top Rare 0.36 Inch Radnoria bretti Lower Silurian Trilobite - New York USA

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30365 - Top Rare 0.36 Inch Radnoria bretti Lower Silurian Trilobite - New York USA

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Species
† Radnoria bretti (Adrain & Tetreault, 2005)
Age
Lower Silurian,(~443 Million Years)
Location
Caleb's Quarry, Middleport, New York, U.S.A
Formation
Rochester Shale Formation
Size
9.2 mm   •    in
Weight
264 g   •    oz
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Description
Radnoria, Owens and Thomas 1975 (trilobite)
Trilobita - Brachymetopidae
 

PaleoDB taxon number: 21348

Parent taxon: Brachymetopinae according to R. M. Owens and W. Hammann 1990

See also Jell and Adrain 2002 and Sepkoski 2002

Sister taxa: Asiagena, Brachymetopus, Oenonella, Proetides, Tschernyshewiella

Subtaxa: Radnoria carlsi, Radnoria guyi, Radnoria humillima, Radnoria syrphetodes, Radnoria triquetra

View classification

Type: Radnoria syrphetodes

Ecology: fast-moving low-level epifaunal deposit feeder

Environments: marine (4 collections), offshore ramp (1), offshore (1), deep subtidal ramp (1), transition zone/lower shoreface (1)

Age range: 449.5 to 422.9 Ma

Distribution:

• Silurian of Canada (1: Northwest Territories collection), the Czech Republic (2), the United Kingdom (1), United States (2: Arkansas, New York)

• Ordovician of Portugal (2), Spain (4)
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