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Pterocephalia concava Palmer 1960

skeletal reinforcement

Paleobiology Database
minor spines
URI: http://eol.org/schema/terms/minorSpines

Definição: Pointed, typically elongate appendages on the shell or carapace surface, less than the thickness of the shell/carapace and covering a small area of it.

Atribuição: http://paleodb.org/public/tips/ecology_tips.html

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