Results 111 to 120 of about 2,607 (232)

Rediscovery of the Type Specimens of the Sarcopterygian Fishes Onychodus sigmoides and Onychodus hopkinsi from the Devonian of Ohio, USA

open access: yesDiversity
John Strong Newberry described three species of the lobe-fin fish Onychodus (Osteichthyes, Sarcopterygii, Onychodontida) based on parasymphysial teeth, or tusks.
Loren E. Babcock
doaj   +1 more source

Predators versus prey: evolutionary race [PDF]

open access: yes, 2009
Vrste dok se usavršavaju i evoluiraju kako bi bile što uspješnije moraju se suočavati sa pritiscima od strane predatora ili parazita. Prilikom toga mora doći do genetskog miksanja i nasumične fluktacije i mutacije da bi se razvile nove adaptacije. Što je
Beneta, Dijana
core   +2 more sources

Response of the species of Karst Dace (Telestes karsticus Marčić and Mrakovčić, 2011) to the predator of the brown trout (Salmo trutta Linnaeus, 1758) [PDF]

open access: yes, 2019
U ovome su radu prvi puta zabilježeni podaci o ponašanju kapelske svijetlice u odnosu na izloženost predatoru potočnoj pastrvi. Istraživanje se temelji na dvije vrste ponašanja, tijekom perioda bez prisutnosti predatora te u periodu za vrijeme ...
Ahel, Vesna
core   +1 more source

Ichthyofauna from the lower devonian (lochkovian) deposits of the southwestern part of Belarus [PDF]

open access: yes, 2015
Приводятся результаты палеоихтиологического изучения керна скважины Томашовка 11, даны исторические сведения по изучению нижнедевонской ихтиофауны в пределах юго-западной части ...
Plax, D. P.
core  

Notas sobre cráneo, otolitos y biología de Lepidosiren paradoxa (Pisces, Dipnoi)

open access: yesBiología Acuática, 2019
Lungfishes are a singular group of Sarcopterygii which in the Neotropics is represented by Lepidosiren paradoxa. They present anatomical and physiological features that allow them to survive under adverse conditions. Here we described and illustrated the
María Jimena González Naya   +4 more
doaj  

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