Results 21 to 30 of about 2,992 (213)
Fishes, 2022 Elasmobranchii (sharks and rays), which have peculiar and vulnerable life-history traits, are highly threatened by fishing activities. Indeed, between 53% and 71% of Mediterranean elasmobranch species are at risk of extinction. In this context, using the
Fabio Falsone +7 more
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Mitochondrial DNA. Part B. Resources, 2021 Skates, Chondrichthyes fishes from order Rajiformes, are the most species-rich group of all Batoidea. However, their phylogenetic relationships and systematics is still a highly discussed and controversial subject.
André Gomes-dos-Santos +6 more
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Microorganisms, 2023 The current climate change scenario caused by anthropogenic activities has resulted in novel environmental pressures, increasing the occurrence and severity of fungal infections in the marine environment.
Manoel Marques Evangelista Oliveira +5 more
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Molecular characterization of marine and coastal fishes of Bangladesh through DNA barcodes
Ecology and Evolution, 2021 This study describes the molecular characterization of marine and coastal fishes of Bangladesh based on the mitochondrial cytochrome c oxidase subunit I (COI) gene as a marker.
Md. Sagir Ahmed +3 more
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Diversity, 2021 Angel sharks are distributed worldwide in tropical to subtropical waters. Across the Eastern Pacific Ocean (EPO), two valid species are reported: The Pacific angelshark Squatina californica and the Chilean angelshark Squatina armata; however, there is ...
Rosa M. Cañedo-Apolaya +8 more
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A checklist of helminth parasites of Elasmobranchii in Mexico [PDF]
ZooKeys, 2016 A comprehensive and updated summary of the literature and unpublished records contained in scientific collections on the helminth parasites of the elasmobranchs from Mexico is herein presented for the first time. At present, the helminth fauna associated with Elasmobranchii recorded in Mexico is composed of 132 (110 named species and 22 not assigned to
Merlo-Serna, Aldo Iván +1 more
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Bransonelliformes – a new order of the Xenacanthimorpha (Chondrichthyes, Elasmobranchii) [PDF]
Fossil Record – Mitteilungen aus dem Museum für Naturkunde, 2007 The order Bransonelliformes is erected for the genera <i>Bransonella</i> Harlton, 1933 and <i>Barbclabornia</i> Johnson, 2003 based on the distinct characters of an inverted "V"-nested pattern of ornamentation preliminary on the labial aspect at the tooth cusps, the presence of labial foramina, and the occasional occurrence of a
Hampe,O., Ivanov,A.
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Late Jurassic selachians (Chondrichthyes, Elasmobranchii) from southern Germany: Re-evaluation on taxonomy and diversity [PDF]
, 2004 The record and taxonomy of Late Jurassic selachians from southern Germany is reviewed and discussed. The conservation lagerstätten of Nusplingen and the Solnhofen area are outstanding because they yielded numerous entire skeletons.
Klug, S +4 more
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Ultimate Eocene (Priabonian) chondrichthyans (Holocephali, Elasmobranchii) of Antarctica [PDF]
Journal of Vertebrate Paleontology, 2016 The Eocene La Meseta Formation on Seymour Island, Antarctic Peninsula, is known for its remarkable wealth of fossil remains of chondrichthyans and teleosts. Chondrichthyans seemingly were dominant elements in the Antarctic Paleogene fish fauna, but decreased in abundance from middle to late Eocene, during which time remains of bony fishes increase ...
Kriwet, Jürgen +4 more
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, 2023 Elasmobranchii Sauvage attribua à l’espèce Hybodus acutus Agassiz, 1836 une épine dorsale incomplète (Fig. 15A) et douze dents isolées dont il figura deux d’entre elles (Fig. 15 F-G). Cette espèce fut introduite par le paléoichtyologiste suisse Louis Agassiz (1836: vol. 3, pl. 10, fig. 4-6; 1837: vol. 3, 45) sur la base d’un fragment d’épine dorsale de
openaire +1 more source