TO THE ORDER PROETIDA
last revised 15 July 2007 by S. M. Gon III
Superfamily Bathyuroidea
Compare the pictorial approach above with the descriptive narrative below:
Compare the pictorial approach above with the descriptive narrative below:
| Superfamily Bathyuroidea
Cephalon: convex, with distinct border of varying width, opisthoparian sutures; glabella well defined, subparallel or gently expanding/tapering forward, with 3 or fewer lateral furrows, sometimes faint or absent; eyes medium to large, placed opposite or behind center of glabella; hypostoma typically natant, but secondarily conterminent in advanced Bathyuridae; genal spines typically present, sometimes broad. Thorax: 8-12 segments, pleurae typically with distinct furrows. Pygidium: subisopygous to micropygous, gently to moderately convex, no border furrow, axis of varying length (absent in Celmidae), sometimes prolonged into post-axial ridge or axial spine, often 3 axial rings + terminal; exoskeleton sometimes ornamented variously with pits, tubercles, small spines, or terraces. Families: Bathyuridae, Celmidae, Dimeropygidae, Glaphuridae, Holotrachelidae, Lecanopygidae, Telephinidae, Toernquistiidae. Representative Genera: Bathyurus, Carolinites, Celmus, Dimeropyge, Glaphurus, Goniotelus, Holotrachelus, Lecanopyge, Platyantyx, Telephinus, Toernquistia. |
Here are some representative Bathyuroidea
| Bathyurus | Platyantyx | Goniotelus | Telephinus | Carolinites |
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PROETIDA includes three Superfamilies:
(click on the images to view the pictorial guides)
| Proetoidea
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Aulacopleuroidea
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Bathyuroidea
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