A diverse assemblage of Permian echinoids (Echinodermata, Echinoidea) and implications for character evolution in early crown group echinoids

Publisher: Cambridge University Press

E-ISSN: 1937-2337|91|4|767-780

ISSN: 0022-3360

Source: Journal of Paleontology, Vol.91, Iss.4, 2017-04, pp. : 767-780

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Abstract