Results 21 to 30 of about 1,175 (199)

A taxonomic and morphological re-evaluation of “Halitherium” cristolii Fitzinger, 1842 (Mammalia, Sirenia) from the late Oligocene of Austria, with the description of a new genus

open access: yesEuropean Journal of Taxonomy, 2016
The fossil sirenian material from the upper Oligocene Linz Sands of Upper Austria is reviewed and re-described in detail following a recent approach on the invalidity of the genus Halitherium Kaup, 1838.
Manja Voss, Björn Berning, Erich Reiter
doaj   +1 more source

Morphological and systematic re-assessment of the late Oligocene “Halitherium” bellunense reveals a new crown group genus of Sirenia [PDF]

open access: yesActa Palaeontologica Polonica, 2017
“Halitherium” bellunense is exclusively known from a single individual from upper Oligocene glauconitic sandstone near Belluno, northern Italy. According to a review of its morphological basis, which consists of associated cranial elements, some ...
Manja Voss   +2 more
doaj   +1 more source

A Rapid Assessment of the Marine Megafauna Biodiversity Around South Bali, Indonesia

open access: yesFrontiers in Marine Science, 2021
A low-cost, small-boat, rapid assessment survey was conducted on the waters off the southern Peninsula of Bali. The objectives were: (1) to conduct an inventory of cetacean species in the study area; (2) to map cetacean distribution to inform the design ...
Putu Liza Kusuma Mustika   +8 more
doaj   +1 more source

NEW SIRENIAN RECORD FROM LOWER PLIOCENE SEDIMENTS OF TUSCANY (ITALY)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2007
A left humerus of a sirenian found in the upper part of a marine succession from Camigliano (Siena, Italy) is described. Foraminiferal assemblages reveal that this humerus belongs to a specimen living during the early Zanclean (Globorotalia margaritae ...
SILVIA SORBI, STEFANO CLAUDIO VAIANI
doaj   +1 more source

Skull and partial skeleton of a new pachycetine genus (Cetacea, Basilosauridae) from the Aridal Formation, Bartonian middle Eocene, of southwestern Morocco.

open access: yesPLoS ONE, 2022
Pachycetus paulsonii, Pachycetus wardii, and Antaecetus aithai are middle Eocene archaeocete whales found in Europe, North America, and Africa, respectively. The three are placed in the new basilosaurid subfamily Pachycetinae.
Philip D Gingerich   +2 more
doaj   +1 more source

Impact of the extinct megaherbivore Steller's sea cow (Hydrodamalis gigas) on kelp forest resilience

open access: yesFrontiers in Ecology and Evolution, 2022
Giant kelp forests off the west coast of North America are maintained primarily by sea otter (Enhydra lutris) and sunflower sea star (Pycnopodia helianthoides) predation of sea urchins.
Peter D. Roopnarine   +4 more
doaj   +1 more source

Estimating the Abundance of Marine Mammal Populations

open access: yesFrontiers in Marine Science, 2021
Motivated by the need to estimate the abundance of marine mammal populations to inform conservation assessments, especially relating to fishery bycatch, this paper provides background on abundance estimation and reviews the various methods available for ...
Philip S. Hammond   +16 more
doaj   +1 more source

The Economic Value of Shark and Ray Tourism in Indonesia and Its Role in Delivering Conservation Outcomes

open access: yesFrontiers in Marine Science, 2020
As a hotspot of species diversity and fishing pressure, Indonesia is a global priority for the conservation of sharks, rays and their cartilaginous relatives (herein “sharks”).
Putu Liza Kusuma Mustika   +5 more
doaj   +1 more source

Using Cost-Effective Surveys From Platforms of Opportunity to Assess Cetacean Occurrence Patterns for Marine Park Management in the Heart of the Coral Triangle

open access: yesFrontiers in Marine Science, 2020
For Marine Protected Areas (MPAs) to be effective in conservation their zoning and management needs to be based on scientific data. Obtaining information on spatio-temporal occurrence patterns of cetaceans can be especially challenging.
Achmad Sahri   +6 more
doaj   +1 more source

FIRST RECORD OF DUGONGIDAE (MAMMALIA: SIRENIA) FROM THE FLORESTA CALCARENITES FORMATION (LATE BURDIGALIAN – EARLY LANGHIAN, REGGIO CALABRIA, SOUTHERN ITALY)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2016
A sirenian rib has been recovered at Motta San Giovanni (Reggio Calabria) in the “Floresta Calcarenites”, a Formation cropping out in Sicily and Calabria and dated late Burdigalian-Langhian.
GIUSEPPE CARONE   +2 more
doaj   +1 more source

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