9th European Congress of Malacological Societies

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Contrasting effects of climate change on potential distribution of alien species Cernuella virgata and Hygromia cinctella

Contrasting effects of climate change on potential distribution of alien species Cernuella virgata and Hygromia cinctella

Proćków M., Konowalik K., Proćków J. malgorzata.prockow@uwr.edu.pl Predicting the impact of global climate change on the current and future distribution of alien or endangered species is often a subject in macroecological studies. Only a few were devoted to land snails. Spatial distribution modeling was used to construct European and global potential ranges of Cernuella virgata …

Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758).

Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758).

Pizá J. julipiza@gmail.com Rumina decollata is a hermaphroditic terrestrial gastropod native to the Mediterranean region and introduced in many countries of the world. In Argentina, this species was first recorded in the 1980s. Although the current distribution is restricted to urban and peri-urban areas, it is expanding fast and is likely that it will colonize …

Monacha cantiana (Montagu, 1803) in northern France and the Netherlands

Monacha cantiana (Montagu, 1803) in northern France and the Netherlands

Pieńkowska J.R., Proćków M., Lesicki A. pienkowj@amu.edu.pl On the basis of integrative analysis of molecular (gene sequences) and morphological (shell and genitalia) features Pieńkowska et al. (2018, 2019) recognised six distinct lineages of Monacha cantiana s.l.: CAN-1 – CAN-6. M. cantiana CAN-1 which occurs in the United Kingdom, Spain and the Latium region in Italy …

Captive Breeding Techniques for Freshwater Pearl Mussel M. margaritifera – Plastic Boxes vs. Artificial Stream Channels

Captive Breeding Techniques for Freshwater Pearl Mussel M. margaritifera – Plastic Boxes vs. Artificial Stream Channels

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Pereira J.V., Reis J., Magalhães M.F. jpereira@biota.pt The freshwater pearl mussel Margaritifera margaritifera (Bivalvia: Unionida) is one of the most threatened freshwater bivalves worldwide mainly due to the lack of recruitment in natural populations. The life cycle of this species is marked by the production of larvae (glochidia) that attach themselves to the gills of …

Who is not Goniodoridella savignyi Pruvot-Fol, 1933? The challenge of Indo-Pacific Goniodoridella species complex (Nudibranchia, Goniodoridida)

Who is not Goniodoridella savignyi Pruvot-Fol, 1933? The challenge of Indo-Pacific Goniodoridella species complex (Nudibranchia, Goniodoridida)

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Paz-Sedano S., Gosliner T.M., Pola M. sofia.paz@uam.es Goniodoridella Pruvot-Fol, 1933 is a small genus belonging to the family Goniodorididae. The genus was erected from specimens collected in the Red Sea, describing the species Goniodoridella savignyi. Since its original description, this species has been found throughout the Indo-Pacific Ocean. In 2015, Martynov, Sanamyan & Korshunova described …

Land snails of Raden Soerjo Nature Tourism Park, East Java, Indonesia

Land snails of Raden Soerjo Nature Tourism Park, East Java, Indonesia

Nurhayati P.A., Nurinsiyah A.S., Affandi M. nurhayatiafin@gmail.com Raden Soerjo Nature Tourism Park is a conservation area located on the slope of Mt. Arjuna-Welirang, East Java, Indonesia. Previous study recorded only three species in the mountain. The present study aims to reveal the land snail diversity in the Raden Soerjo Nature Tourism Park. We collected both …

Evaluating the putative role of exosomal pathways in the process of shell formation in Crassostrea gigas

Evaluating the putative role of exosomal pathways in the process of shell formation in Crassostrea gigas

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Muñoz Schuler C., Torres V., Aguilera F. faguilera@udec.cl Most mollusks produce external calcified shells, which are fabricated by specialized epithelial cells on the dorsal mantle. This tissue is underneath the shell and expresses a suite of genes encoding secreted proteins that are delivered into the extrapallial space to finally be embedded into the shell. Recent …

Endangered freshwater mollusk Unio crassus Philipsson, 1788 in the Republic of Moldova

Endangered freshwater mollusk Unio crassus Philipsson, 1788 in the Republic of Moldova

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Munjiu O. oksana.munjiu@gmail.com The Unio crassus Philipsson, 1788 is an endangered species (IUCN Red List), inhabiting running waters with high dissolved oxygen content; it is sensitive to water pollution and general degradation of rivers ecosystems. Many synonyms were given to this species due to the high plasticity of shells morphology, caused by biotic and abiotic factors. However, study …

A new species of non-green sacoglossan sea slug species (Heterobranchia, Gastropoda) from the archipelago of Azores

A new species of non-green sacoglossan sea slug species (Heterobranchia, Gastropoda) from the archipelago of Azores

Martín-Hervás M.R., Carmona L., Malaquias M.A.E., Krug P.J., Cervera J.L. maria.martinhervas@uca.es A new sacoglossan species, belonging to the genus Elysia Risso, 1818 is described from Faial Island (Archipelago of the Azores, Atlantic Ocean). This new species is easily recognizable by its bright and translucent orange colour, visible digestive gland through the skin, and presence of …

New data of Nudibranchia rhinophore morphology: case of Onchidoris muricata (Doridina)

New data of Nudibranchia rhinophore morphology: case of Onchidoris muricata (Doridina)

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Lisova E.D., Vortsepneva E.V nikitenkocatia@yandex.ru Rhinophores are important chemosensory cephalic organs in nudibranch mollusks. Morphology of rhinophore are important taxonomic features. In this regard, the external structures of the rhinophore have been described for many species. However, their general morphology has so far been studied fragmentarily. Many details of the internal morphology have not been …