Results 91 to 100 of about 238 (123)

Multi-locus phylogenetic analysis reveals the pattern and tempo of bony fish evolution.

open access: yesPLoS Curr, 2013
Broughton RE   +4 more
europepmc   +1 more source

Fossil marine vertebrates (Chondrichthyes, Actinopterygii, Reptilia) from the Upper Cretaceous of Akkermanovka (Orenburg Oblast, Southern Urals, Russia). [PDF]

open access: yesCretac Res
Jambura PL   +9 more
europepmc   +1 more source
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A large marine gar fish (Ginglymodi, Lepisosteiformes) from the Turonian Akrabou Formation of Asfla, Morocco

Cretaceous Research, 2021
Abstract The Upper Cretaceous (Turonian) Akrabou Formation at Asfla in south east Morocco is a marine carbonate succession well-known for its exceptionally preserved, often three-dimensional marine vertebrate fossils. It is perhaps best known for its diverse ichthyological assemblage comprising both cartilaginous and bony fishes, notably teleosts and
Samuel L A Cooper, David M Martill
exaly   +2 more sources

Diversification in Polypteriformes and Special Comparison With the Lepisosteiformes [PDF]

open access: yesPalaeontology, 2002
Polypteriformes (or Cladistia) and Lepisosteiformes (or Ginglymodi) are two groups of freshwater fishes with ganoid scales. The earliest fossil records of these taxa are Albian (Lepisosteiformes) and Cenomanian (Polypteriformes) respectively in Gondwana; they are still extant.
M. Gayet, F. J. Meunier, C. Werner
exaly   +2 more sources

A Late Jurassic freshwater fish (Ginglymodi, Lepisosteiformes) from Qijiang, Chongqing, China

Journal of Vertebrate Paleontology, 2015
ABSTRACTA new ginglymodian fish Beiduyu qijiangensis, gen. et sp. nov., is described from the freshwater Upper Jurassic Suining Formation of Chongqing, China. Although the fish is not completely preserved, it is most similar to Lepidotes and Scheenstia, which were once considered to be members of the Semionotiformes but are currently considered to be ...
Alison M Murray, Lida Xing, Juan Liu
exaly   +2 more sources

MicroCT survey of larval skeletal mineralization in the Cuban gar Atractosteus tristoechus (Actinopterygii; Lepisosteiformes) [PDF]

open access: yesMorphoMuseuM, 2017
Using X-ray microtomography, we describe the ossification events during the larval development of a non-teleost actinopterygian species: the Cuban gar Atractosteus tristoechus from the order Lepisosteiformes. We provide a detailed developmental series for each anatomical structure, covering a large sequence of mineralization events going from an early ...
Melanie Debiais-Thibaud
exaly   +3 more sources

A new early diverging lepisosteid fish (Lepisosteiformes) from the Late Cretaceous of southeastern Brazil

Journal of South American Earth Sciences
The Bauru Group in Brazil is renowned for its rich and diverse fossil record from Late Cretaceous age, which includes a variety of vertebrates such as fishes, anurans, turtles, squamates, mesoeucrocodylians, and dinosaurs. In this study, we present compelling evidence for the existence of a distinct taxon of Lepisosteidae at a paleontological site ...
Luiz Carlos Borges Ribeiro   +1 more
exaly   +3 more sources

The larval attachment organ of the tropical gar Atractosteus tropicus Gill, 1863 (Lepisosteiformes: Lepisosteidae)

Journal of Fish Biology, 2021
AbstractLarval attachment organs (LAOs) are unicellular or multicellular organs that allow larvae to adhere to a substrate before yolk‐sac absorption and the free‐swimming stage. This study documents the LAO of tropical gar, Atractosteus tropicus, using a combination of scanning electron microscopy and light microscopy.
Amanda K. Pinion   +5 more
openaire   +2 more sources

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