North American Index Fossils. Volume 2. Conularida, pteropoda, cerhalopoda, annelida, trilobita, phyllopoda, ostracoda, cirripedia, malacostraca, merostomata, arachnida, myriopoda, insecta, cystoidea, blastoidea, crinoidea, ophiuroidea, asteroidea, echinodea and appendices.

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