Valcourocratidae
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5113-4133-0
High Quality Content by WIKIPEDIA articles! The Valcouroceratidae is a family within the Oncocerida, nautiloid cephalopods from the middle and upper Ordovician, established by Rousseau Flower in 1945.
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