Results 21 to 30 of about 610 (112)

Dynamic expression of ancient and novel molluscan shell genes during ecological transitions [PDF]

open access: yes, 2007
Background: The Mollusca constitute one of the most morphologically and ecologically diverse metazoan phyla, occupying a wide range of marine, terrestrial and freshwater habitats.
Daniel J Jackson   +2 more
core   +2 more sources

The performance of gold-mouth turban Turbo chrysostomus larvae in different temperature and salinity media [PDF]

open access: yes, 2021
Suhu dan salinitas merupakan parameter kualitas air yang berperan penting terhadap proses fisiologis siput mata bulan (T. chrysostomus) sehingga berdampak terhadap perkembangan, pertumbuhan dan kelangsungan hidup larva.
Effendi, Irzal   +3 more
core   +2 more sources

Totoralia, a new conical-shaped mollusk from the Middle Cambrian of western Argentina [PDF]

open access: yes, 2011
The new genus Totoralia from the Late Middle Cambrian of El Totoral (Mendoza Province, western Argentina) is described herein. It is a delicate, high, bilaterally symmetrical cone with a sub-central apex and five to seven prominent comarginal ...
Sabattini, N.M., Tortello, M.F.
core   +5 more sources

A possible home for a bizarre Carboniferous animal: is Typhloesus a pelagic gastropod? [PDF]

open access: yes, 2022
By contrast to many previously enigmatic Palaeozoic fossils, the Carboniferous metazoan Typhloesus has defied phylogenetic placement. Here, we document new features, including possible phosphatized muscle tissues and a hitherto unrecognized feeding ...

core   +3 more sources

Observations on the intertidal barnacles (Cirripedia: Balanomorpha) at Fossil Island, Tasman Peninsula: physical tolerances, orientation and fertilisation [PDF]

open access: yes, 1986
Six species of barnacle are found intertidally at Fossil Island. Tolerances of the species to desiccation and temperature could be related to their position on the shore.
Fleming, AK   +2 more
core   +3 more sources

Surface growth kinematics via local curve evolution [PDF]

open access: yes, 2014
A mathematical framework is developed to model the kinematics of surface growth for objects that can be generated by evolving a curve in space, such as seashells and horns.
Goriely, A., Moulton, D E
core   +1 more source

Diversity Species and Dominance of Gastropod on Ekosistem Mangrove Ecosystem Lantebung, City of Kota Makassar [PDF]

open access: yes, 2022
The Lantebung mangrove ecosystem in Makassar City is one of the mangrove ecosystems in Makassar City, which has been used by the community as a mangrove tourism area.
Ahmad, Amran   +2 more
core   +3 more sources

A new species of Allodaposuchus (Eusuchia, Crocodylia) from the Maastrichtian (Late Cretaceous) of Spain : phylogenetic and paleobiological implications [PDF]

open access: yes, 2015
Background. The Late Cretaceous is a keystone period to understand the origin and early radiation of Crocodylia, the group containing all extant lineages of crocodilians.
Blanco Calvo, Alejandro   +5 more
core   +4 more sources

Surfaktanti u okolišu [PDF]

open access: yes, 2010
Surfactants are a diverse group of chemicals that are best known for their wide use in detergents and other cleaning products. After use, residual surfactants are discharged into sewage systems or directly into surface waters, and most of them end up ...
Jasna Hrenović, Tomislav Ivanković
core   +2 more sources

Gastropod classification and taxonomy [PDF]

open access: yes, 2015
Gastropods are a large and highly diversified class within the phylum Mollusca. Many gastropods possess a shell whereas some are without shells. The shelled gastropods are also called univalves.
Mohamed, K S, Venkatesan, V
core  

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