In lepidosiren and Protopterus the organ is completely divided except at its anterior end into a right and a left lung.
lepidosiren, lep-i-do-sī′ren, n. one of the Amazon mud-fishes or Dipnoi.
From these primitive fishes were evolved higher fishes of the ganoid type and others of the type of lepidosiren (Dipneusta).
I fear it is a tadpole, but I keep the specimen lest it should be a lepidosiren.
B, Vasa efferentia reduced to a few at the hind end (lepidosiren).
lepidosiren paradoxa was discovered by Natterer in 1837 in tributaries of the Amazon.
African amphibious fishes (Protopterus) and American amphibious fishes (lepidosiren); 29.
No; but from an organ similar in character and position to the air-bladder of a ceratodus, or a lepidosiren.
The genus has five gill-clefts, instead of four as in lepidosiren.
The lepidosiren, a very remarkable fish of the Gambia and other African rivers.