Annals of the South African Museum, Volume 50South African Museum, 1968 - Natual history |
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Page 289
South African Museum. directed conical spine . Three other conical spines along lateral branchial margin . Gastric region fairly well defined by smooth cervical groove . At base of rostrum a pair of prominent conical spines , followed by ...
South African Museum. directed conical spine . Three other conical spines along lateral branchial margin . Gastric region fairly well defined by smooth cervical groove . At base of rostrum a pair of prominent conical spines , followed by ...
Page 290
... spine in hepatic region . Antero - lateral angle formed by prominent conical spine , followed by three or four smaller spines to weakly demarcated mid - branchial groove . Latter followed by one large spine , and several flattened rugae ...
... spine in hepatic region . Antero - lateral angle formed by prominent conical spine , followed by three or four smaller spines to weakly demarcated mid - branchial groove . Latter followed by one large spine , and several flattened rugae ...
Page 294
... spines on the raised keel of abdomi- nal segment six . The possibility exists that nana is a juvenile form of sculpta and that some of the spines are lost with development . Description Willemoesia bona - spei n.sp. Figs 4 , 5 Carapace ...
... spines on the raised keel of abdomi- nal segment six . The possibility exists that nana is a juvenile form of sculpta and that some of the spines are lost with development . Description Willemoesia bona - spei n.sp. Figs 4 , 5 Carapace ...
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Common terms and phrases
abdomen adcauline adnate anomodonts antennal joint Anteosaurus anteriorly apically basal cell base basioccipital basisphenoid bone braincase Cape Town capensis carapace carapace length Clinus acuminatus cranial cross-sections Cyrtosia developed Dicynodon Dinocephalia distal distinctly dorsal dorsum sellae Empidideicus endocranial cavity epipterygoid exoccipital face fenestra ovalis foramen forms frons genus groove head hind margins holotype hydrotheca IKMT internode Jonkeria last sternite Lateral view longer longitudinal Lystrosaurus mantle length material median septum n.sp narrow nematothecae nerve occipital olfactory opisthotic orbitosphenoid ossified parasphenoidal rostrum parietal pereiopods photophores Plonia posteriorly proboscis proötic pterygoid quadrate reddish brownish region ridge sagittal sella turcica septosphenoid Sergestes shorter side skull slender slightly snout South African Museum species specimen sphenoidal sphenoidal complex spines stapes sternite Struthiocephalus suckers SUID-AFRIKAANSE MUSEUM supraoccipital surface sutural Tapinocephalus Tapinocephalus zone tergites therapsids thorax transverse trigeminal tube upper vein Ventral view volume number vomer wavy underlining wings