Species boundaries in the Himantura uarnak species complex (Myliobatiformes: Dasyatidae) [PDF]
Molecular Phylogenetics and Evolution, 2013 Samples of the 'Himantura uarnak' species complex (H. leoparda, H. uarnak, H. undulata under their current definitions), mostly from the Coral Triangle, were analyzed using nuclear markers and mitochondrial DNA sequences. Genotypes at five intron loci showed four reproductively isolated clusters of individuals.
Arlyza, Irma +5 more
openaire +4 more sources
Egg preservation in an Eocene stingray (Myliobatiformes, Dasyatidae) from Italy [PDF]
Journal of Vertebrate Paleontology, 2019 Egg preservation in an Eocene stingray (Myliobatiformes, Dasyatidae) from ...
Federico Fanti +2 more
openaire +3 more sources
Neogene sharks and rays from the Brazilian ‘Blue Amazon’ [PDF]
, 2017 The lower Miocene Pirabas Formation in the North of Brazil was deposited under influence of the proto-Amazon River and is characterized by large changes in the ecological niches from the early Miocene onwards.
Aguilera, Orangel +12 more
core +10 more sources
Scientia Marina, 2014 The giant devil ray (Mobula mobular) is a poorly understood protected endemic species of the eastern Atlantic-Mediterranean region. However, to date there are no range-wide management actions in place. This paper provides the first overview of the summer
Caterina Maria Fortuna +6 more
doaj +1 more source
Shark and ray teeth from the Hauterivian (Lower Cretaceous) of north-east England [PDF]
, 1999 Sampling of hiatal horizons within the Hauterivian part of the Speeton Clay Formation of north-east England has produced teeth of several species of sharks and rays, four of which are previously unnamed.
Mitchell, S.F. +2 more
core +1 more source
Comparative anatomy of the extraocular muscles in four Myliobatoidei rays (Batoidea, Myliobatiformes) [PDF]
Journal of Anatomy, 2016 AbstractExtraocular muscles are classically grouped as four rectus and two oblique muscles. However, their description and potential associations with species behavior are limited. The objective was to characterize extraocular muscles in four Myliobatoidei rays from diverse habitats with divergent behaviors.
Carlo M, Cunha +2 more
openaire +2 more sources
Reappraisal of the Eocene whiptail stingrays (Myliobatiformes, Dasyatidae) of the Bolca Lagerstätte, Italy [PDF]
Zoologica Scripta, 2018 AbstractThe Eocene whiptail stingrays of the family Dasyatidae from the Bolca Lagerstätte, NE Italy, are revised herein in detail. The analysis of the anatomical and morphometric features allows us to identify the species “Dasyatis” zigni (Molin, 1861) as a junior synonym of “D.” muricatus (Volta, 1796), and to assign it to the new genus Tethytrygon ...
Giuseppe Marramà +3 more
openaire +4 more sources
First record of Aetomylaeus asperrimus Gilbert, 1898, Roughskin Eagle Ray (Myliobatiformes, Myliobatidae), from El Salvador: additional data from the Eastern Tropical Pacific [PDF]
Check ListIn 2024, two females of Aetomylaeus asperrimus Gilbert, 1989 (Myliobatiformes, Myliobatidae) were caught while fishing using an artisanal longline in El Salvador. The rays were identified by their rhomboid disc and unique dorsal pattern.
Jazminne S. Paiz +2 more
doaj +3 more sources
Neotropical Ichthyology, 2021 The feeding habits of Urotrygon microphthalmum, a Critically Endangered (CR) species, were investigated through stomach contents analysis from specimens caught on bottom double rigged otter trawls in Pernambuco state, Brazil, between March of 2010 and ...
Jones Santander-Neto +3 more
doaj +1 more source
First records of Spinetail Devil Ray, Mobula mobular (Bonnaterre, 1788), and Bentfin Devil Ray, M. thurstoni (Lloyd, 1908) (Myliobatiformes, Mobulidae), in French Polynesia [PDF]
Check ListThe first confirmed sightings of Spinetail Devil Ray, Mobula mobular (Bonnaterre, 1788), and Bentfin Devil Ray, M. thurstoni (Lloyd, 1908) (Myliobatiformes, Mobulidae), are reported in French Polynesia. An individual of M.
Alice S. Carpentier +8 more
doaj +3 more sources