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Excerpt from Manual of Conchology; Structural and Systematic, Vol. 2: With Illustrations of the Species; ZonitidAnimal protected by a spiral, heliciform shell, within which it is completely retractile; tail provided with a caudal mucus pore; jaw with a median inferior projection, not ribbed; the central tooth in the lingual ribbon is tricuspid, with the middle cusp long

Title : Manual of Conchology; Structural and Systematic, Vol. 2: With Illustrations of the Species; Zonitid� (Classic Reprint)
Author : George Washington Tryon
Language : en
Rating :
4.90 out of 5 stars
Type : PDF, ePub, Kindle
Uploaded : Apr 03, 2021

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