Protorosaurusn.

Brit.

/ˌprəʊt(ə)rə(ʊ)ˈsɔːrəs/, U.S.

/ˌproʊdərəˈsɔrəs/

Forms: 1800s– Proterosaurus, 1800s– Protorosaurus.

Origin: A borrowing from Latin. Etymon: Latin Protorosaurus.

Etymology: < scientific Latin Protorosaurus ( C. E. H. von Meyer Palæologica (1832) 109), irregularly < protero- protero- comb. form + -saurus -saurus comb. form, apparently by confusion with words in proto- proto- comb. form.

Palaeontology.

A genus of diapsid reptiles known from European fossils of the late Permian period, which are among the earliest known reptiles; (also protorosaurus) a reptile of this genus.The form Proterosaurus is taxonomically invalid.

ΚΠ

1838 Brit. Ann. & Epitome Progress Sci. 1839 261 The remains of the palæosaurus, of the thecodonsaurus, and of the proterosaurus or monitor are referred to the epoch of the magnesian limestone.

1870 Trans. Amer. Philos. Soc. 14 34 This order appears first in time, in its Sauropterygian and Thecondontian representatives in the Trias, and in the genus Protorosaurus Meyer.

1903 Amer. Naturalist 37 87 The whole skull is strikingly similar in general outline and appearance to the skull of Proterosaurus.

1926 R. S. Lull Org. Evol. 503 During Permian time there arose from the cotylosaurs the group Protorosauria, of which Protorosaurus is the type.

1998 Philos. Trans. (Royal Soc.) B. 353 515/2 Protorosaurus does not have a bifurcate second sacral rib.

This is a new entry (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	protorosaurus
释义	Protorosaurusn. Brit. /ˌprəʊt(ə)rə(ʊ)ˈsɔːrəs/, U.S. /ˌproʊdərəˈsɔrəs/ Forms: 1800s– Proterosaurus, 1800s– Protorosaurus. Origin: A borrowing from Latin. Etymon: Latin Protorosaurus. Etymology: < scientific Latin Protorosaurus ( C. E. H. von Meyer Palæologica (1832) 109), irregularly < protero- protero- comb. form + -saurus -saurus comb. form, apparently by confusion with words in proto- proto- comb. form. Palaeontology. A genus of diapsid reptiles known from European fossils of the late Permian period, which are among the earliest known reptiles; (also protorosaurus) a reptile of this genus.The form Proterosaurus is taxonomically invalid. ΚΠ 1838 Brit. Ann. & Epitome Progress Sci. 1839 261 The remains of the palæosaurus, of the thecodonsaurus, and of the proterosaurus or monitor are referred to the epoch of the magnesian limestone. 1870 Trans. Amer. Philos. Soc. 14 34 This order appears first in time, in its Sauropterygian and Thecondontian representatives in the Trias, and in the genus Protorosaurus Meyer. 1903 Amer. Naturalist 37 87 The whole skull is strikingly similar in general outline and appearance to the skull of Proterosaurus. 1926 R. S. Lull Org. Evol. 503 During Permian time there arose from the cotylosaurs the group Protorosauria, of which Protorosaurus is the type. 1998 Philos. Trans. (Royal Soc.) B. 353 515/2 Protorosaurus does not have a bifurcate second sacral rib. This is a new entry (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1838
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