† protastacusn.

Origin: A borrowing from Greek, combined with an English element. Etymons: proto- comb. form, Greek ἀστακός.

Etymology: < proto- comb. form + ancient Greek ἀστακός lobster, crayfish (see astacian n.).

Palaeontology. Obsolete. rare.

A hypothetical evolutionary ancestor of the crayfishes.Later adopted as the genus name of a fossil form (Albrecht, 1983).

ΚΠ

1878 T. H. Huxley in Proc. Zool. Soc. 787 A Crustacean..which we may call provisionally Protastacus.

Derivatives

† protastacine adj. Obsolete

ΚΠ

1880 T. H. Huxley Crayfish vi. 344 The common protastacine form is to be sought in the Trias.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online June 2020).

单词	protastacus
释义	† protastacusn. Origin: A borrowing from Greek, combined with an English element. Etymons: proto- comb. form, Greek ἀστακός. Etymology: < proto- comb. form + ancient Greek ἀστακός lobster, crayfish (see astacian n.). Palaeontology. Obsolete. rare. A hypothetical evolutionary ancestor of the crayfishes.Later adopted as the genus name of a fossil form (Albrecht, 1983). ΚΠ 1878 T. H. Huxley in Proc. Zool. Soc. 787 A Crustacean..which we may call provisionally Protastacus. Derivatives † protastacine adj. Obsolete ΚΠ 1880 T. H. Huxley Crayfish vi. 344 The common protastacine form is to be sought in the Trias. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online June 2020). < n.1878
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