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  • noun

Synonyms for Belemnoidea

order of extinct dibranchiate cephalopods related to the surviving spirulas

References in periodicals archive ?
The surveys in the present study indicate that more than 800 ammonoids and 300 belemnoids are present in the tile of the shopping complex.
The number and distribution of other fossils (primarily belemnoids and bivalves) were also similar between the two varieties of rock.