""'Belantsea " "'( named after a legendary ancestor of the Crow Nation ) is a genus of extinct petalodontid cartilaginous fish that lived during the Lower Carboniferous, about 350 million years ago.
42.
The Dinantian is equal to the lower part of the correlates with the Avonian, a name proposed by British geologist Arthur Vaughan ( 1905; p . 264 ) for certain deposits of the Lower Carboniferous system in the Avon Gorge at Bristol.
43.
She created a large collection of Lower Carboniferous fossils which were used in a paper published on the " Scientific Proceedings of the Royal Dublin Society " in 1966 by R . G . S . Hudson, Michael Clarke, and George Sevastopulo.
44.
In Europe, the Mississippian and Pennsylvanian are one more-or-less continuous sequence of lowland continental deposits and are grouped together as the Carboniferous system, and sometimes called the " Upper Carboniferous " and " Lower Carboniferous " instead.
45.
"Dombarigloria " ( Saunders et al . 1999 ) one of the three earliest genera in the Cravenoceratidae, appearing in the middle Lower Carboniferous ( Mississippian ) . " Dombarigloria " is derived from the cravenoceratid " Pachylyroceras ".
46.
The oldest known fossil in the Archaeorthoptera, the crown group of the Orthoptera, and also the oldest member of the Pterygota ( winged insects ), is from the Namurian ( 324 mya ) Lower Carboniferous beds in the Upper Silesian Basin of the Czech Republic.
47.
The "'Ephippioceratidae "', named by Miller and Youngquist in 1949, which have a range from the Lower Carboniferous ( Miss ) to the Lower Permian, are closely similar to the Liroceratidae, but have deep ventral and dorsal saddles in the suture.
48.
""'Triboloceras " "'is the name given to an extinct nautiloid genus from the Lower Carboniferous ( Mississippian ), included in the nautilid family Trigonoceratidae characterized by an evolute shell bearing longitudinal ribs, with whorls in contact except in the early and very latest growth stages.
49.
It is clear that the exact relationship which the Yoredale series of the type area bears as a whole to the lower Carboniferous rocks of the Midlands, north and south Wales, etc ., on the one hand, and to the Pendleside series on the other, has yet to be established on a firm palaeontological basis.
50.
""'Bistrialites " "'is an involute, globose Clydonautilacean belonging to the Liroceratidae with a reniform whorl section, large funnel shaped umbilcus, smooth surface except for spiral ornament in the region of the umbilical shoulder . " Bistrialites " comes from the Lower Carboniferous ( Mississippian ) of Europe.
