WebPalaeoniscidae is an extinct family of ray-finned fishes (Actinopterygii) ascribed to the order Palaeonisciformes. [2] The family includes the genus Palaeoniscum and potentially other Palaeozoic and Mesozoic early actinopterygian genera. The name is derived from the Ancient Greek words παλαιός ( palaiós, ancient) and ὀνίσκος ... WebSep 1, 2009 · Three new palaeoniscoid fishes (Osteichthyes, Actinopterygii), representing two new genera, Lineagruan judithi n. gen., n. sp., L. snowyi n. gen., n. sp., Beagiascus pulcherrimus n. gen., n. sp., are described from the Bear Gulch Limestone Member of the Heath Formation (Serpukhovian) of Montana, a 318 million year old lagerstätte. …
Scales ofpalaeoniscoid fishes (Osteichthyes
WebThis amphibian order consists of coecilians or blindworms (without limbs or limb girdles) Apoda or Gymnophiona A vertebrate class that are: - Cold-blooded aquatic or terrestrial tetrapods - Naked, scaly or with bony plates - Breathing exclusively by lungs - Skeleton completely ossified with typical vertebrae WebNov 27, 2024 · The core concept of 'Palaeonisciformes' has united fishes with a fusiform body shape like Palaeoniscum; depending on the author, more divergent contemporary fishes such as the deep-body platysomoids might … margaret mccollum mind the gap
Catalogue of Organisms: Shadow of the Palaeoniscoids - Field of …
WebMay 6, 2024 · TWO CARBONIFEROUS FINE-EYED PALAEONISCOIDS (PISCES, ACTINOPTERYGII) FROM BEAR GULCH (USA) C. Poplin, R. Lund Geography 2002 Abstract One new genus, Kalops, and two new species, K. monophrys and K. diophrys, are described from the Carboniferous (Namurian) marine Bear Gulch limestone of Montana … WebDescription The scale has a gently rounded central crown extending outwards in five low, broad ridges. One anterior and one lateral ridge bifurcate slightly at the distal end (Figure 6M). The neck is smooth and low. The elliptical base is larger than the crown, with a wide rounded rim surrounding the central shallow pulp cavity (Figure 6N). WebNov 27, 2008 · The squamation of a complete palaeoniscoid, M. durgaringa Gardiner & Bartram, 1977, from the Frasnian Gogo Formation is described. A variety of isolated … kundo west germany clock