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670 results for “Molluscs”
Fig. 2. Barnea manilensis, a in Diversity of bivalve molluscs in the St Lucia Estuary, with an annotated and illustrated checklist
Fig. 2. Barnea manilensis, a large concentration of dead shells at False Bay, Lake St Lucia, in April 2011. (Photo: Lynette Perissinotto)
Abundance and species composition of benthic heterobranch molluscs from the Santa Barbara Channel mainland
These data are counts of heterobranch molluscs (sea slugs and allies) from rocky intertidal sites on the mainland coast of the Santa Barbara Channel. Data collection began in 2002 and 2008 at Naples Point and Tar Pits Reef, respectively, and is ongoing. Data include counts of individuals of 68 total species, presence/absence of their egg masses, and search time (as observer hours) for each sampling trip.
Figs 53–55 in Terrestrial molluscs of Cabo Delgado and adjacent inland areas of north-eastern Mozambique
Figs 53–55. Trochozonites (Crenatinanina) crenulata, 8.2×12.8 mm, subadult, three views, stn 9.
A collection of molluscs of the megalodon family
Mussels are molluscs, which are referred to as Bivalvia in natural classification, which can be translated as "two-shelled ones" (Greek bi "two" + Latin valva "shell"). These animals live at the bottom of water bodies, in sand and mud, moving with their feet or swimming freely. They feed on tiny plankton and plant debris. ID no.: G/1602/MT (a,b,c) Place of finding: Tatra Mountains Museum: The Dr. Tytus Chałubiński Tatra Museum in Zakopane https://muzea.malopolska.pl/en/objects-list/1822 Digitalisation: Digitalisation: RDW MIC, Virtual Małopolska project Source: Objaverse 1.0 / Sketchfab
Fig. 3 in Palaeogene continental molluscs of Oman
Fig. 3: Map showing the position of the localities.
Fig. 2 in Terrestrial Molluscs In The Dry Grasslands Of The Dnipro Upland (Central Ukraine): New Records, Rare Species And Conservation Potential
Fig. 2. Shells of Granaria frumentum from the vicinities of Korsun-Shevchenkivskyi town.
Fig. 3 in Terrestrial Molluscs Of The Tsyr-Pripyat Area In Volyn (Northern Ukraine): The First Findings Of The Threatened Snail Vertigo Moulinsiana In Mainland Ukraine
Fig. 3. Alive Vertigo moulinsiana on the grass in the vicinities of Velyka Glusha (plot 10).
Fig. 1. Map with studies plots, 1–18 in Terrestrial Molluscs Of The Tsyr-Pripyat Area In Volyn (Northern Ukraine): The First Findings Of The Threatened Snail Vertigo Moulinsiana In Mainland Ukraine
Fig. 1. Map with studies plots, 1–18 — see "Material and methods".
A phylogenomic backbone for gastropod molluscs
<p>Gastropods have survived several mass extinctions during their evolutionary history resulting in extraordinary diversity in morphology, ecology, and developmental modes, which complicate the reconstruction of a robust phylogeny. Currently, gastropods are divided into six subclasses: Caenogastropoda, Heterobranchia, Neomphaliones, Neritimorpha, Patellogastropoda, and Vetigastropoda. Phylogenetic relationships among these taxa historically lack consensus, despite numerous efforts using morphological and molecular information. We generated sequence data for transcriptomes derived from twelve taxa belonging to clades with little or no prior representation in previous studies in order to infer the deeper cladogenetic events within Gastropoda and, for the first time, infer the position of the deep-sea Neomphaliones using a phylogenomic approach. We explored the impact of missing data, homoplasy, and compositional heterogeneity on the inferred phylogenetic hypotheses. We recovered a highly supported backbone for gastropod relationships that is congruent with morphological and mitogenomic evidence, in which Patellogastropoda, true limpets, are the sister lineage to all other gastropods (Orthogastropoda) which are divided into two main clades (i) Vetigastropoda s.l. (including Pleurotomariida + Neomphaliones) and (ii) Neritimorpha + (Caenogastropoda + Heterobranchia). As such, our results support the recognition of five subclasses (or infraclasses) in Gastropoda: Patellogastropoda, Vetigastropoda, Neritimorpha, Caenogastropoda and Heterobranchia.</p>
Fig. 3 in A study on benthic molluscs and stable isotopes from Kutch, western India reveals early Eocene hyperthermals and pronounced transgression during ETM2 and H2 events
Fig. 3 (See legend on previous page.)
Fig. 1 Simplified geological map 1 in Biostratigraphy (Calcareous Nannofossils And Molluscs) Of The Pannonian Deposits From Transylvania, Romania (Guşteriţa Quarry - Sibiu)
Fig. 1 Simplified geological map 1:200.000 after Dessila Codarcea et al., 1968.
Fig. 2 in Biostratigraphy (Calcareous Nannofossils And Molluscs) Of The Pannonian Deposits From Transylvania, Romania (Guşteriţa Quarry - Sibiu)
Fig. 2 Guşteriţa quarry – A, B, and C sections.
Fig.1 in The Mollusc Fauna Of Natura 2000 Site "Augšdaugava"
Fig.1. Study sites of molluscs in Natura 2000 site "Augšdaugava".
A Cambrian spiny stem mollusc and the deep homology of lophotrochozoan scleritomes
<p>Molluscs encompass enormous disparity, including familiar clams and snails alongside aculiferans (chitons and vermiform aplacophorans) with complex multicomponent skeletons. Palaeozoic fossils trace crown molluscs to forms exhibiting a combination of biomineralised shells and sclerites. We describe a shell-less, Cambrian stem mollusc, Shishania aculeata, with conical, hollow organic sclerites and a smooth ventral girdle, broad foot, and mantle cavity. The sclerites have a microstructure of narrow canals consistent with the impressions of chaetal microvilli found in annelids and brachiopods. Shishania sclerites provide a morphological steppingstone between typical chaetae and the external organic part of aculiferan sclerites that encloses a mineralised body. This discovery reinforces a common origin of lophotrochozoan chaetae and the biomineralized aculiferan sclerites, suggesting the mollusc ancestor was densely covered with hollow organic chaetae.</p>
Figure 5 in Marine molluscs of the Turkish coasts: an updated checklist
Figure 5. The alien species according to the classes distributed along the Turkish coasts.
Figure 8 in Marine molluscs of the Turkish coasts: an updated checklist
Figure 8. Map showing the distribution of cephalopod species along the coasts of Turkey.
Figure 7 in Marine molluscs of the Turkish coasts: an updated checklist
Figure 7. Map showing the distribution of mollusc species along the coasts of Turkey.
Figure. Armina maculata: dorsal and ventral views of the specimen. in Armina maculata Rafinesque, 1814 (Nudibranchia: Arminidae): a new record for the Turkish mollusc fauna
Figure. Armina maculata: dorsal and ventral views of the specimen.
FIG. 1 in Taxonomic study on the molluscs collected in Marion-Dufresne expedition (MD55) to SE Brazil: Xenophoridae, Cypraeoidea, mitriforms and Terebridae (Caenogastropoda)
FIG. 1. — Mapping of MD55 stations studied in this paper.
Fig. 1 in Trade in nautilus and other large marine molluscs as ornaments and decorations in Bali, Indonesia
Fig. 1. Towns and routes surveyed for the trade in marine shells in Bali, Indonesia, in July 2014.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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