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Summary

Description
English: Fig. 30.—Upper (A) and side (B) views, and vertical section (C) of the skull of

Petromyzon marinus.

a, Notochord; b, Basis cranii; c, Inferior, and d, Lateral process of basis; e, Auditory capsule; f, Subocular arch; g, Stylohyal process; h, Olfactory capsule; i, Ethmo-vomerine plate; k, Palato-pterygoid portion of subocular arch; l-n, Accessory labial or rostral cartilages; with o, appendage; p, lingual cartilage; q, neural arches; r, Branchial skeleton; s, Blind termination of the nasal duct between the notochord and œsophagus.
Date
Source https://en.wikisource.org/wiki/Page:An_Introduction_to_the_Study_of_Fishes.djvu/93
Author Albert C. L. G. Günther

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Public domain
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Study_of_Fishes-Fig_30.png

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