Acanthodii |
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Page 2
... otic capsules omitted . From MILES 1973 b . Fig . 2. Mandibular and hyoid arches of Acanthodes . loc par Ipf оср OCO ... otic region ; it exhibits stout postorbital processes , lateral com- missures bearing auxiliary otic condyles , and ...
... otic capsules omitted . From MILES 1973 b . Fig . 2. Mandibular and hyoid arches of Acanthodes . loc par Ipf оср OCO ... otic region ; it exhibits stout postorbital processes , lateral com- missures bearing auxiliary otic condyles , and ...
Page 3
... otic articulation between the metapterygoid and the otic region of the endocranium , and the quadrate region was supported by the hyomandibula . As MILES interprets it , the articula- tion was mobile , permitting the palatoquadrate to ...
... otic articulation between the metapterygoid and the otic region of the endocranium , and the quadrate region was supported by the hyomandibula . As MILES interprets it , the articula- tion was mobile , permitting the palatoquadrate to ...
Page 59
... otic articulation - otic condyle OCO оср orb orc par pba pbr pc pcf pch - otic capsule - orthodentine - orbit - oral sensory line paroccipital process palatobasal articulation - pharyngobranchial pore canal pectoral fin - pulp chamber ...
... otic articulation - otic condyle OCO оср orb orc par pba pbr pc pcf pch - otic capsule - orthodentine - orbit - oral sensory line paroccipital process palatobasal articulation - pharyngobranchial pore canal pectoral fin - pulp chamber ...
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Common terms and phrases
Acan Acanthodes acanthodian AGASSIZ anteriorly Atopacanthus beds BERNACSEK & DINELEY Brachyacanthus branchiostegal rays BROTZEN Cheiracanthus Climatiidae Climatius crown cusps denticles dentigerous jaw bones dentine depth to length dermal shoulder girdle Devonian Lower Devonian Upper Diplacanthidae Diplacanthus dorsal fin dorsal spine Eifelian Emsian endocranium Euthacanthus formation Frasnian genera genus gill covers Givetian Gomphonchus gracilis GROSS growth zone Gyracanthidae Homalacanthus hypochordal lobe intermediate spines Ischnacanthidae Ischnacanthus limestone longitudinal Lower Carboniferous Lower Devonian Siegenian Ludlovian main lobe mandibular bones meckelian cartilage median Mesacanthus mesodentine Middle Devonian Eifelian MILES nian nomen nudum Nostolepis OBRUCHEV Onchus ornamented ØRVIG ossified otic palatoquadrates Parexus pectoral fin pectoral fin spine pectoral spines pinnal plates Placodermi posteriorly prepectoral spines primitive probably ratio of maximum ribs ridges Saaremaa scales scapulocoracoid Scotland Silurian slender synonym teeth tesserae tooth whorls TRAQUAIR tubules Type species Upper Carboniferous Upper Devonian Upper Silurian Uraniacanthus ventral Vernicomacanthus WOODWARD