ASPECTS OF HADROSAURIAN CRANIAL ANATOMY

被引：20

作者：

MARYANSKA, T ^{[1
]}

OSMOLSKA, H ^{[1
]}

机构：

[1] POLISH ACAD SCI,INST PALAEOBIOL,PL-02089 WARSAW,POLAND

来源：

LETHAIA | 1979年 / 12卷 / 03期

关键词：

D O I：

10.1111/j.1502-3931.1979.tb01006.x

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

Supraorbital bones in Saurolophus angustirostris are described, and their presence in all hadrosaurs is suggested. Frontal‐nasal and premaxillar‐nasal fontanellae are distinguished in hadrosaurs; their presence is explained as connected with growth and considered to he responsible for the variability of crest structures. New data indicating the presence of a cartilaginous diverticulum nasi within the circumnarial depression in Saurobphus ongustirostris are presented. A physiological (respiratory and/or thermoregulatory) function of the nasal diverticulum is proposed. Copyright © 1979, Wiley Blackwell. All rights reserved

引用

页码：265 / 273

页数：9

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