Results 11 to 20 of about 157 (120)

Past and present of the enigmatic genus Lanayrella Salvador & Cunha, 2020 (Gastropoda: Cephalaspidea) in the southwestern Atlantic Ocean [PDF]

open access: yesPeerJ
The genus Lanayrella currently comprises two recent, minute gastropods species, Lanayrella vagabunda and L. ringei, both known exclusively from the Magellanic Region.
Javier Di Luca, Guido Pastorino
doaj   +3 more sources

The Mitochondrial Genomes of the Nudibranch Mollusks, Melibe leonina and Tritonia diomedea, and Their Impact on Gastropod Phylogeny. [PDF]

open access: yesPLoS ONE, 2015
The phylogenetic relationships among certain groups of gastropods have remained unresolved in recent studies, especially in the diverse subclass Opisthobranchia, where nudibranchs have been poorly represented.
Joseph L Sevigny   +12 more
doaj   +2 more sources

Ecosystem Alterations and Species Range Shifts: An Atlantic-Mediterranean Cephalaspidean Gastropod in an Inland Egyptian Lake. [PDF]

open access: yesPLoS ONE, 2016
The eastern Atlantic and Mediterranean marine Cephalaspidea gastropod Haminoea orbignyana was collected from Lake Qarun (Fayoum, Egypt), a landlocked lake that has undergone a shift from freshwater to estuarine conditions in the past 100 years.
Edwin Cruz-Rivera   +1 more
doaj   +2 more sources

Integrative Analysis of Retusa pertenuis (Heterobranchia: Cephalaspidea) from Arctic and Russian Far East Seas with Discussion of Its Morphology, Validity and Population Structure

open access: yesDiversity, 2023
Retusa pertenuis is still formally considered a junior subjective synonym of Retusa obtusa, despite previous data indicating R. pertenuis and R. obtusa differ significantly in copulatory system morphology. In this paper, we study the species identity and
Elena Chaban   +3 more
doaj   +1 more source

First Study on Marine Heterobranchia (Gastropoda, Mollusca) in Bangka Archipelago, North Sulawesi, Indonesia

open access: yesDiversity, 2020
As ephemeral, benthic, secondary consumers usually associated with sessile coral reef organisms, marine heterobranchs are good indicators of the health of marine tropical habitats.
Adelfia Papu   +8 more
doaj   +1 more source

A new species of Acteon (Opisthobranchia: Acteonidae) from Northeast Brazil

open access: yesZoologia (Curitiba), 2011
A new species of Acteon Montfort 1810, Acteon mirim sp. nov., from Canopus Bank, state of Ceará, Brazil is described based on shell morphology. The new species is compared with other species of the genus reported from Brazil.
Carlo Magenta Cunha
doaj   +1 more source

THE GENUS HAMINOEA (GASTROPODA: CEPHALASPIDEA) IN PORTUGAL, WITH A REVIEW OF THE EUROPEAN SPECIES [PDF]

open access: yesJournal of Molluscan Studies, 2005
The study of specimens of Haminoea collected on the coast of Portugal, together with the re-evaluation of historical specimens used by Nobre (1938- 40) in his main work on the Portuguese molluscs, recognized the presence of two species, Haminoea navicula (da Costa, 1778) and H.
MANUEL ANTÓNIO E. MALAQUIAS   +1 more
openaire   +1 more source

Diversity and distribution of the Gastropoda Opisthobranchia from the Atlantic Ocean: A global biogeographic approach

open access: yesScientia Marina, 2009
A zoogeographic study of the Opisthobranchia (Mollusca, Gastropoda) from the Atlantic Ocean was carried out. Data on Opisthobranch occurrence were collated from literature records and databases.
Francisco J. García, Hans Bertsch
doaj   +1 more source

Cephalaspidea FISCHER 1883

open access: yes, 2018
ORDER CEPHALASPIDEA FISCHER, 1883 NEWNESIIDAE MOLES, WÄGELE, SCHRÖDL & AVILA, 2017 Type genus: Newnesia E. A. Smith, 1902.
Moles, Juan   +2 more
openaire   +1 more source

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