Monograph of the Palaeontographical Society, Volume 71, Issues 340-343Palæontographical society, 1919 - Paleontology |
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Common terms and phrases
A. S. Woodward abdominal region adambulacral Agassiz ambulacral ambulacralia anal fin Angelina apical arches Asteroidea Asterozoa axis backwards Beltella bones border British Museum broad Brögger caudal fin caudal region centra Conocoryphe Cranidium Cyclognathus dentary Dikelocephalus dorsal fin Egerton Eurycare facial suture Fixed cheeks flank-scales Foss fossil free cheeks front fulcra genus Geol glabella glabellar furrows groove hæmal head Horizon and Locality Hybodus infero-marginalia lateral line lateral view length Lepidotus Leptolepis madreporite median Middle Purbeck Beds mouth-angle plate mouth-frame muscles Museum of Practical narrow nearly neck-furrow oblique odontophor Olenus opercular apparatus operculum Ophiuroidea outer pectoral Peltura pelvic fins Pholidophorus Platanaster pleuræ Pleuropholis Portmadoc posterior margin Practical Geology preoperculum Purbeck Beds rays Salter scales scarabæoides Schuchertia Sedgwick Museum slightly slime-canal smooth species stout Surv Swanage tail Text-fig thoracic segments thorax Thrissops trunk type specimen Upper Lingula Flags Upper Tremadoc ventral vertebral Wealden width