Results 11 to 20 of about 7,835 (214)

New data on the occurrence of Pontinus kuhlii (Bowdich, 1825)(Osteichthyes: Scorpaenidae) in the Western Mediterranean [PDF]

open access: yesScientia Marina, 1998
The second documented capture of one specimen of Pontinus kuhlii (Bowdich, 1825) (Osteichthyes: Scorpaenidae) is reported from the Western Mediterranean, including a description of the specimen and formulating a hypothesis about the distribution of this ...
Paolo Merella   +2 more
doaj   +2 more sources

A Dermocystidium infection in Trichomycterus sp. (Osteichthyes, Trichomycteridae)

open access: yesParasite, 2000
Two whitish elongate cysts in the left pectoral fin of Trichomycterus sp. (Osteichthyes, Trichomycteridae) were packed with Dermocystidium sp. spores.
Eiras J.C, Silva-Souza A.T.
doaj   +2 more sources

INFESTAÇÃO AGUDA POR Henneguya sp (PROTOZOA, MIXOSPOREA) E DACTYLOGYRIDAE (PLATYHELMINTHES, MONOGENEA), EM PACU, Piaractus mesopotamicus (HOLMBERG, 1887) (OSTEICHTHYES, CHARACIDAE)

open access: yesBoletim do Instituto de Pesca, 2018
Descreve-se uma infestação aguda por Henneguya sp (Protozoa, Myxosporea) e Dactylogyridae (Platyhelminthes, Monogenea) em pacu, Piaractus mesopotamicus Holmberg, 1887 (Osteichthyes, Characidae), ao ní­­vel das brí­¢nquias, que apresentaram cistos ...
Agar Costa ALEXANDRINO   +5 more
doaj   +1 more source

The Dermal Skeleton of Stem-Actinopterygian Moythomasia durgaringa and Its Implications for the Nature of the Ancestral Osteichthyan. [PDF]

open access: yesJ Morphol
The figure presents a model of Moythomasia and a schematic histological model illustrating the internal structure and features of the cranial bones. These include bone (brown), osteocyte spaces (red), spheritic bone (light brown), osteon spaces (orange), dentine and canaliculi (green), pulp canal (yellow), ganoine (gray), arrested growth lines (dashed ...
Shan X   +5 more
europepmc   +2 more sources

A review of the history of studying the Permian bony fish of European Russia

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2022
This article reviews the history of research on bony fish from the Permian of European Russia, summarizing the key findings that enable a deeper understanding of their evolution.
A.S. Bakaev
doaj   +1 more source

Vertebrate fauna of the early and late iron ages in Vojvodina (Serbia) [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke, 2013
Based on current published and unpublished research results, a total of 34 vertebrate species from 4 classes have been registered at 9 archaeological sites from the Early Iron Age in Vojvodina (Serbia). The most numerous one is the mammal class (
Radmanović Darko P.   +3 more
doaj   +1 more source

New Late Cretaceous microvertebrate assemblage from the Campanian–Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications

open access: yesActa Palaeontologica Polonica, 2022
We describe a microvertebrate assemblage from the J&M site, of the Upper Cretaceous (Campanian–Maastrichtian) Williams Fork Formation. Breakdown of fossil bearing matrix was achieved with the use of heated dimethyl sulfoxide.
NICKOLAS A. BRAND   +5 more
doaj   +1 more source

Tooth replacement in early sarcopterygians [PDF]

open access: yesRoyal Society Open Science, 2019
Teeth were an important innovation in vertebrate evolution but basic aspects of early dental evolution remain poorly understood. Teeth differ from other odontode organs, like scales, in their organized, sequential pattern of replacement.
Mark Doeland   +3 more
doaj   +1 more source

Vertebrate fauna at the Neolithic and Eneolithic sites in Vojvodina (Serbia) [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke, 2014
Based on current research results, a total of 40 vertebrate species from 4 classes have been registered at 10 archaeological sites from the Neolithic period in Vojvodina (Serbia).
Radmanović Darko P.   +3 more
doaj   +1 more source

Global dataset of species-specific inland recreational fisheries harvest for consumption

open access: yesScientific Data, 2022
Measurement(s) inland recreational fisheries harvest Technology Type(s) Module 4: Literature References Sample Characteristic - Organism Osteichthyes Sample Characteristic - Environment inland waters Sample Characteristic - Location ...
Holly S. Embke   +40 more
doaj   +1 more source

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