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Version 43.0 went live 11/6/2018 - I hope that the majority of issues have been fixed. My email address is on the home page if you see anything wrong.

Pteropurpura (Pteropurpura) trialata trialata

(Sowerby, G.B. II, 1834) (Western) Three-winged Murex Shell size 40 - 93 mm N California, USA - Baja California, Mexico
Taxonomic Information
open bookPage/Plate
Conch. Illustr. (London)Murex, Pl. 62/33
Encyclopedia of Marine Gastropodsp 278/1
Schelpen Encyclopedie (in Dutch)p 141
The Shell Handbookp 119
Hamlyn Guide to Shells of the Worldp 168
Spotters Guide to Shellsp 19
Compendium of Seashellsp 142/2.3
Eyewitness handbooks - Shellsp 106
Collector's guide to Seashells of the Worldp 94/10
Audubon - Field Guide to North American Shellsp 519
Murex Shells of the Worldp 132-133; Pl. 22/6
cameraImage Acknowledgments
1 University of Cambridge, Museum of Zoology
2 Daniel Pellegrini
3 @ Igor V. Ilyukhin
4 Worldwide Specimen Shells
5 Aegean Shells