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Abstract

Carapace (right valve), obovate, with a ventral-prolonga.
tion (probably somewhat distorted by pressure); with a
rounded anterior and prolonged posterior extremity. Dorsal
edge gently convex towards the ilnterior, more Strongly so in the posterior region. Ventral border concave near the abdominal arch, becoming convex and distally obscurely extended in the middle region, and meeting the concave margin anteriorly. Surface of carapace wrinkled with three or more undulatory folds, crossing obliquely from the upper anterior towards the lower posterior margin. Surface marked with coarse areolation. Dorsal margin crenulate to undulose, a character probably caused by the compression of the chitinous and inflated carapace.

Item Type:	Article
Authors/Creators:	Chapman, Frederick
Keywords:	Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, UTAS Library
Journal or Publication Title:	Papers and Proceedings of the Royal Society of Tasmania
ISSN:	0080-4703
Collections:	Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
Additional Information:	Copyright Royal Society of Tasmania
Item Statistics:	View statistics for this item

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