Results 11 to 20 of about 339 (160)

The lower Miocene Scaphopoda of Chile [PDF]

Swiss Journal of Palaeontology
Scaphopods (Class Scaphopoda, Phylum Mollusca), commonly known as tusk shells, are univalve mollusks exclusively from marine environments that live buried within the substrate.
Javiera Roco-Villablanca, Marcelo M. Rivadeneira, Sven N. Nielsen   +2 more
doaj   +4 more sources

Molluscan Shells, Spicules, and Gladii Are Evolutionarily Deeply Conserved. [PDF]

J Exp Zool B Mol Dev Evol
Evolutionarily conserved transcription factor encoding genes and other genes are expressed in the epithelia that give rise to spicules (green) and/or shells (blue) in developmental stages of diverse mollusks, including polyplacophorans, aplacophorans, scaphopods, and cephalopods.
Barrera Grijalba CC, Rodríguez Monje SV, Ariza Aranguren G, Lunzer K, Scherholz M, Redl E, Wollesen T.   +6 more
europepmc   +2 more sources

Biodiversity and Conservation of Marine Mollusks in the Indo-Pacific Convergence Zone. [PDF]

Ecol Evol
An integrated assessment has identified 11 priority mollusk conservation areas in the Indo‐Pacific Convergence Zone, which harbor 47.9% of species and 58.9% of threatened taxa, though only 18.7% have MPA coverage. Multi‐habitat zones, such as coral–mangrove areas, support 42.3% of molluscan diversity.
Lai X, Li T, Cong B, Pitriana P, Wang B, Zhao L, Liu S.   +6 more
europepmc   +2 more sources

Exceptional endemicity of Aotearoa New Zealand biota shows how taxa dispersal traits, but not phylogeny, correlate with global species richness. [PDF]

J R Soc N Z
ABSTRACT Species’ with more limited dispersal and consequently less gene flow are more likely to form new spatially segregated species and thus contribute disproportionally to endemic biota and global species richness. Aotearoa New Zealand has exceptional endemicity, with 52% of its 54,000 named species endemic, including 32%, 39% and 68% for ...
Costello MJ.
europepmc   +2 more sources

Influence of abiotic and biotic factors on benthic marine community composition, structure and stability: a multidisciplinary approach to molluscan assemblages from the Miocene of northern Germany

Papers in Palaeontology, Volume 9, Issue 3, May/June 2023., 2023
Abstract The Miocene mica‐clay deposits of Groß Pampau (northern Germany) are well known for their diverse assemblages of marine mammals. Despite numerous systematic and biostratigraphic studies, an in‐depth palaeoecological analysis of its molluscan assemblages and a comprehensive palaeoenvironmental reconstruction are lacking.
Daria Carobene, Robert Bussert, Ulrich Struck, Carl J. Reddin, Martin Aberhan   +4 more
wiley   +1 more source

Parallel duplication and loss of aquaporin‐coding genes during the “out of the sea” transition as potential key drivers of animal terrestrialization

Molecular Ecology, Volume 32, Issue 8, Page 2022-2040, April 2023., 2023
Abstract One of the most important physiological challenges animals had to overcome during terrestrialization (i.e., the transition from sea to land) was water loss, which alters their osmotic and hydric homeostasis. Aquaporins are a superfamily of membrane water transporters heavily involved in osmoregulatory processes.
Gemma I. Martínez‐Redondo, Carolina Simón Guerrero, Leandro Aristide, Pau Balart‐García, Vanina Tonzo, Rosa Fernández   +5 more
wiley   +1 more source

High‐resolution imaging sheds new light on a multi‐tier symbiotic partnership between a “walking” solitary coral, a sipunculan, and a bivalve from East Africa

Ecology and Evolution, Volume 12, Issue 3, March 2022., 2022
The photosymbiotic solitary corals Heteropsammia cochlea and Heterocyathus aequicostatus live in symbiosis with the sipunculid worm Aspidosiphon muelleri muelleri, and the cryptoendolithic bivalve Jousseaumiella sp., which reside within the cavity of the coral skeleton.
Natalia Herrán, Gita R. Narayan, Steve S. Doo, André Klicpera, André Freiwald, Hildegard Westphal   +5 more
wiley   +1 more source

Lateral, longitudinal, and temporal variation in trench‐slope basin fill: examples from the Neogene Akitio sub‐basin, Hikurangi Margin, New Zealand

New Zealand Journal of Geology and Geophysics, Volume 65, Issue 1, Page 105-140, March 2022., 2022
ABSTRACT The fill of trench‐slope basins is complex, varying temporally, laterally, and longitudinally. New data from the Neogene stratigraphy of the Akitio Sub‐basin, Wairarapa, are presented to investigate such fill variation. The preserved basin fill spans an area 70 km long by 10 km wide, representing deposits from a trench‐slope basin. Integration
Adam D. McArthur, Julien Bailleul, Frank Chanier, Alan Clare, William D. McCaffrey   +4 more
wiley   +1 more source

Characterization and biogeographic affinity of megazoobenthos in the Central Mediterranean Sea

Marine Ecology, Volume 42, Issue 2, April 2021., 2021
Abstract The Strait of Sicily (SoS) is a key area in the Central Mediterranean Sea characterized by high biodiversity and demersal fisheries productivity. Further, it is traditionally considered the main biogeographic boundary between the Western and Eastern basins of the Mediterranean.
Daniela Massi, Antonino Titone, Michele Gristina, Germana Garofalo, Valentina Lauria, Roberta Micalizzi, Giuseppe Sinacori, Fabio Fiorentino   +7 more
wiley   +1 more source

Mapping molluscan endocrinology: a systematic and critical appraisal. [PDF]

Biol Rev Camb Philos Soc
ABSTRACT Historically, a vertebrate‐centric paradigm has framed our interpretation of molluscan endocrinology, with considerable research focusing on vertebrate‐type steroid hormones (e.g. oestrogens, testosterone). However, contradictory evidence on the occurrence of vertebrate‐type steroid hormones in molluscan tissues, and a lack of the specific ...
Panagiotidis K, Miller TH, Martin OV, Baynes A.   +3 more
europepmc   +2 more sources