Treatise on Invertebrate Paleontology, Part 1Raymond C. Moore, Geological Society of America |
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Page 27
... rostral plate . A similarly shaped rostral plate is isolated in the brachymetopid Australo- sutura ( Fig . 25 ) by the rostral suture that curves over the doublure between the inner , posterior edges . In Brachymetopus ( Fig . 24 ) the ...
... rostral plate . A similarly shaped rostral plate is isolated in the brachymetopid Australo- sutura ( Fig . 25 ) by the rostral suture that curves over the doublure between the inner , posterior edges . In Brachymetopus ( Fig . 24 ) the ...
Page 317
... rostral plate . epistomal plate . See rostral plate . epistome . See rostral plate . euptychopariid rostral suture . Connective suture mar- ginal to a broad ( tr . ) rostral plate ( contrast with stenoptychopariid ) . See ptychopariid ...
... rostral plate . epistomal plate . See rostral plate . epistome . See rostral plate . euptychopariid rostral suture . Connective suture mar- ginal to a broad ( tr . ) rostral plate ( contrast with stenoptychopariid ) . See ptychopariid ...
Page 328
... rostral plate when it is strongly curved in anterior or dorsal direction so as to form fold , as in Bumastus . rostral - hypostomal plate . Fused rostral plate and hy- postome . rostral plate . Median cephalic ventral portion of ...
... rostral plate when it is strongly curved in anterior or dorsal direction so as to form fold , as in Bumastus . rostral - hypostomal plate . Fused rostral plate and hy- postome . rostral plate . Median cephalic ventral portion of ...
Contents
Microstructure and Sculpture of the Exoskeletal Cuticle H B Whittington | 74 |
THE TRILOBITE BODY H B Whittington | 87 |
MODE OF LIFE HABITS AND OCCURRENCE H B Whittington | 137 |
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Common terms and phrases
Agnostina Agnostus area of fixigena articulating asaphids Australia axial furrow axial ring BERGSTRÖM border furrow Botomian Cambrian trilobites Canada cephalic cephalon CHATTERTON cheirurids China convex cranidial cranidium Devonian dorsal view doublure effaced enrollment exoskeleton eye lobe eye ridge F2 furrows facial suture Family faunas FORTEY frontal genal spine genera Geological gidium glabella glabellar furrows glabellar lobe Guizhou holotype hypostome inner instars lateral lectotype librigena lichid limbs Lower Cam Lower Cambrian marginal spines median preglabellar furrow meraspid Middle Cambrian Middle Ordovician NYSM occipital furrow occipital ring ocular lobe Olenellina Olenellus ontogeny ÖPIK Ordovician outer pairs palpebral lobe paratype phacopids pleural furrow pleural region pleural spines portion posterior lobe posterior margin posteriorly preglabellar field Proetida protaspides Pygidial axis pygidium RASETTI Redlichiina rostral plate sections of facial Silurian species specimens SPEYER surface suture taxa thoracic segments thorax transverse trilobites Upper Cambrian USNM ventral view WHITTINGTON ZHANG Zone