EsturgeonV1, PascalFrancis, Curation, bibRecord, 000123

Observations on the skulls of sturgeons (Acipenseridae): shared similarities of Pseudoscaphirhynchus kaufmanni and juvenile specimens of Acipenser stellatus

Identifieur interne : 000123 ( PascalFrancis/Curation ); précédent : 000122; suivant : 000124

Observations on the skulls of sturgeons (Acipenseridae): shared similarities of Pseudoscaphirhynchus kaufmanni and juvenile specimens of Acipenser stellatus

Auteurs : Eric J. Hilton [États-Unis]

Source :

Environmental biology of fishes [ 0378-1909 ] ; 2005.

RBID : Pascal:05-0135802

Descripteurs français

Pascal (Inist)
- Crâne, Pisces, Acipenser sturio, Acipenser stellatus.

English descriptors

KwdEn :
- Acipenser stellatus, Acipenser sturio, Pisces, Skull.

Abstract

A novel hypothesis uniting Acipenser stellatus and Pseudoscaphirhynchus as sister groups has recently been proposed based on analysis of DNA sequences. In this paper I compare specimens of A. stellatus and P. kaufmanni, and show that they share several putatively derived similarities in the structure of their skulls, including: the presence of large spines on the dermal bones of skull; lateral extrascapular bones that enclose the confluence of the posttemporal, supratemporal, and otic sensory canals; elongate dorsal rostral bones; border rostral bones distinct in shape from dorsal rostral bones; greatly enlarged jugal that lacks a median flange; rostral canal bones that loop posteriorly at the anterior commissure of the rostral sensory canals; and the presence of an elongate, flat, and broad posterior ventral rostral bone. These similarities support a close relationship between A. stellatus and Pseudoscaphirhynchus, but still remain to be critically tested.

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A02	`01`			`@0 EBFID3`
A03		`1`		`@0 Environ. biol. fishes`
A05				`@2 72`
A06				`@2 2`
A08	`01`	`1`	`ENG`	`@1 Observations on the skulls of sturgeons (Acipenseridae): shared similarities of Pseudoscaphirhynchus kaufmanni and juvenile specimens of Acipenser stellatus`
A11	`01`	`1`		`@1 HILTON (Eric J.)`
A14	`01`			`@1 Geology Department, Field Museum of Natural History, 1400 South Lake Shore Drive @2 Chicago, IL 60605 @3 USA @Z 1 aut.`
A20				`@1 135-144`
A21				`@1 2005`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 17564 @5 354000126228260030`
A44				`@0 0000 @1 © 2005 INIST-CNRS. All rights reserved.`
A45				`@0 32 ref.`
A47	`01`	`1`		`@0 05-0135802`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Environmental biology of fishes`
A66	`01`			`@0 NLD`
C01	`01`		`ENG`	@0 A novel hypothesis uniting Acipenser stellatus and Pseudoscaphirhynchus as sister groups has recently been proposed based on analysis of DNA sequences. In this paper I compare specimens of A. stellatus and P. kaufmanni, and show that they share several putatively derived similarities in the structure of their skulls, including: the presence of large spines on the dermal bones of skull; lateral extrascapular bones that enclose the confluence of the posttemporal, supratemporal, and otic sensory canals; elongate dorsal rostral bones; border rostral bones distinct in shape from dorsal rostral bones; greatly enlarged jugal that lacks a median flange; rostral canal bones that loop posteriorly at the anterior commissure of the rostral sensory canals; and the presence of an elongate, flat, and broad posterior ventral rostral bone. These similarities support a close relationship between A. stellatus and Pseudoscaphirhynchus, but still remain to be critically tested.
C02	`01`	`X`		`@0 002A14B02C2A`
C03	`01`	`X`	`FRE`	`@0 Crâne @5 01`
C03	`01`	`X`	`ENG`	`@0 Skull @5 01`
C03	`01`	`X`	`SPA`	`@0 Cráneo @5 01`
C03	`02`	`X`	`FRE`	`@0 Pisces @2 NS @5 02`
C03	`02`	`X`	`ENG`	`@0 Pisces @2 NS @5 02`
C03	`02`	`X`	`SPA`	`@0 Pisces @2 NS @5 02`
C03	`03`	`X`	`FRE`	`@0 Acipenser sturio @2 NS @5 55`
C03	`03`	`X`	`ENG`	`@0 Acipenser sturio @2 NS @5 55`
C03	`03`	`X`	`SPA`	`@0 Acipenser sturio @2 NS @5 55`
C03	`04`	`X`	`FRE`	`@0 Acipenser stellatus @2 NS @5 56`
C03	`04`	`X`	`ENG`	`@0 Acipenser stellatus @2 NS @5 56`
C03	`04`	`X`	`SPA`	`@0 Acipenser stellatus @2 NS @5 56`
C07	`01`	`X`	`FRE`	`@0 Vertebrata @2 NS`
C07	`01`	`X`	`ENG`	`@0 Vertebrata @2 NS`
C07	`01`	`X`	`SPA`	`@0 Vertebrata @2 NS`
C07	`02`	`X`	`FRE`	`@0 Acipenseridae @4 INC @5 70`
N21				`@1 087`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

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Pascal:05-0135802

Le document en format XML

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<author><name sortKey="Hilton, Eric J" sort="Hilton, Eric J" uniqKey="Hilton E" first="Eric J." last="Hilton">Eric J. Hilton</name>
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<s5>55</s5>
</fC03>
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<s2>NS</s2>
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Observations on the skulls of sturgeons (Acipenseridae): shared similarities of Pseudoscaphirhynchus kaufmanni and juvenile specimens of Acipenser stellatus

Observations on the skulls of sturgeons (Acipenseridae): shared similarities of Pseudoscaphirhynchus kaufmanni and juvenile specimens of Acipenser stellatus

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri