arthrodiren.

Brit.

/ˈɑːθrədʌɪə/, U.S.

/ˈɑrθrəˌdaɪ(ə)r/

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

Etymology: < scientific Latin Arthrodira, order name ( A. S. Woodward Catal. Fossil Fishes Brit. Museum (1891) II. p. xxi: see quot. 1891) < ancient Greek ἄρθρον joint (see arthro- comb. form) + δειρή (Attic δέρη ) neck (see derotremate adj.).Compare the following:1891 A. S. Woodward Catal. Fossil Fishes Brit. Mus. II. p. xxi For this order the name Arthrodira is suggested, in allusion to the ginglymoid articulation by which the cranial shield is hinged upon the anterior border of the armour of the abdominal region in the typical and best known genera.

Palaeontology.

A member of the extinct order Arthrodira of placoderm fishes, which are known from Devonian fossil deposits and have a bony head-shield that is articulated at the neck to another bony shield covering the upper part of the body.

ΚΠ

1897 Amer. Naturalist 31 497 Portions of the cranium and also the dorsal element..are covered by superficial scutes which are incapable of correlation with derm plates in other Arthrodires.

1970 R. M. Black Elements Palaeontol. xvii. 247 Coccosteus..represents a group (the arthrodires) in which the head-shield was hinged to a second shield covering the shoulder region.

2000 Jrnl. Paleontol. 74 129/1 The other fragments show..the presence of at least two other species of medium sized arthrodires.

This is a new entry (OED Third Edition, December 2008; most recently modified version published online December 2021).

单词	arthrodire
释义	arthrodiren. Brit. /ˈɑːθrədʌɪə/, U.S. /ˈɑrθrəˌdaɪ(ə)r/ Origin: A borrowing from Latin. Etymon: Latin Arthrodira. Etymology: < scientific Latin Arthrodira, order name ( A. S. Woodward Catal. Fossil Fishes Brit. Museum (1891) II. p. xxi: see quot. 1891) < ancient Greek ἄρθρον joint (see arthro- comb. form) + δειρή (Attic δέρη ) neck (see derotremate adj.).Compare the following:1891 A. S. Woodward Catal. Fossil Fishes Brit. Mus. II. p. xxi For this order the name Arthrodira is suggested, in allusion to the ginglymoid articulation by which the cranial shield is hinged upon the anterior border of the armour of the abdominal region in the typical and best known genera. Palaeontology. A member of the extinct order Arthrodira of placoderm fishes, which are known from Devonian fossil deposits and have a bony head-shield that is articulated at the neck to another bony shield covering the upper part of the body. ΚΠ 1897 Amer. Naturalist 31 497 Portions of the cranium and also the dorsal element..are covered by superficial scutes which are incapable of correlation with derm plates in other Arthrodires. 1970 R. M. Black Elements Palaeontol. xvii. 247 Coccosteus..represents a group (the arthrodires) in which the head-shield was hinged to a second shield covering the shoulder region. 2000 Jrnl. Paleontol. 74 129/1 The other fragments show..the presence of at least two other species of medium sized arthrodires. This is a new entry (OED Third Edition, December 2008; most recently modified version published online December 2021). < n.1897
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