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Description and relationships of Otothyropsis marapoama, a new genus and species of hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
(Sociedade Brasileira de Ictiologia, 2005-12-01)
Otothyropsis marapoama, novo gênero e espécie, é descrito baseado em espécimes recentemente coletados em um riacho de cabeceira da porção media do rio Tietê, um rio da bacia do alto rio Paraná no sudeste do Brasil. O novo ...
Description and relationships of Otothyropsis marapoama, a new genus and species of hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
(Sociedade Brasileira de Ictiologia, 2005-12-01)
Otothyropsis marapoama, novo gênero e espécie, é descrito baseado em espécimes recentemente coletados em um riacho de cabeceira da porção media do rio Tietê, um rio da bacia do alto rio Paraná no sudeste do Brasil. O novo ...
Cladistic analysis and osteological descriptions of the frog species in the Leptodactylus fuscus species group (Anura, Leptodactylidae)
(Wiley Blackwell Publishing, Inc, 2008-10)
The genus Leptodactylus is predominantly Neotropical (a few species have colonized the southern Neartic region) and is distributed from Texas to
Argentina and on certain Caribbean islands. Leptodactylus was divided into ...
Postnatal development of the skull of Dinilysia patagonica (Squamata-stem Serpentes)
(Wiley, 2014-01)
The snake skull represents a profound transformation of the ancestral squamate cranium in which dermal skull roof bones were integrated with the braincase, in a manner convergent with that which occurred during the origin ...
The peristomial plates of ophiuroids (Echinodermata: Ophiuroidea) highlight an incongruence between morphology and proposed phylogenies
(Public Library of Science, 2018-08)
The peristomial plates are skeletal components of the interbrachial frame (or mouth frame), which is located below the true mouth of ophiuroids. Whilst the peristomial plates were extensively described and used as diagnostic ...
Eggs and hatchlings of the Mexican salamander Pseudoeurycea cephalica (Caudata: Plethodontidae)
(Universidad de Costa Rica, 1998)
Growth and cranial development in the Andean frogs of the genus Telmatobius (Anura: Telmatobiidae): Exploring the relation of heterochrony and skeletal diversity
(Wiley-liss, Div John Wiley & Sons Inc, 2018-09)
Andean frogs of the genus Telmatobius occur at high elevations, they have an aquatic mode of life and large tadpoles. There are more than 60 species that closely resemble one another and have low values of genetic divergence. ...
A revision of the first Asteropyginae (Trilobita; Devonian)
(Elsevier France-editions Scientifiques Medicales Elsevier, 2014-09)
A recent cladistic analysis of the Asteropyginae led to the recognition of the genus Minicryphaeus as one of the most ancestral of this subfamily. A new species, M.giganteus, is described here from the Ihandar Formation ...
Histological analysis of ankylothecodonty in Silesauridae (Archosauria: Dinosauriformes) and its implications for the evolution of dinosaur tooth attachment
(2021-01-01)
Dinosaurs possess a form of tooth attachment wherein an unmineralized periodontal ligament suspends each tooth within a socket, similar to the condition in mammals and crocodylians. However, little information is known ...