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30442 - Top Rare 0.29 Inch Aphelaspis buttsi Upper Cambrian Trilobite - Alabama USA Knightia Calcite is a carbonate mineral

SKU: 27333111928
4.1
USD165.50 USD201.50 Plaza rate

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Description

Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3)

PaleoDB taxon number: 19629

de Lapparent de Broin 2002 (crocodilian)

conical with blunt apices

These are a very special small-sized theropod dinosaur teeth

30442 - Top Rare 0.29 Inch Aphelaspis buttsi Upper Cambrian Trilobite - Alabama USA Knightia Calcite is a carbonate mineralAphelaspis buttsi, Kobayashi 1936 (trilobite) Trilobita Aphelaspididae PaleoDB taxon number: 231733 Alternative combination: Proaulacopleura buttsi Belongs to Aphelaspis according to S. Peng 1992 Sister taxa: Aphelaspis brachyphasis, Aphelaspis granulata, Aphelaspis longispina, Aphelaspis subditus, Aphelaspis walcotti Ecology: fast moving low level epifaunal deposit feeder Environments: (1 collection), carbonate (1), slope (1) Age range: 501. 0 to

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