Tag Archive for: Bivalvia

Hidden diversity in cockles: six new Indo-Pacific species and a new subfamily with notes on the Vasticardium elongatum species group (Bivalvia: Cardiidae)

Author: J.J. ter Poorten
Basteria, 87 (2): 169-205Published:

Abstract

Six new Indo-Pacific Cardiidae species are described originating from various institutional collections, supplemented with material from private collections, mostly based on shell characters and partly augmented by genetic information: Microcardium lukasi spec. nov., Microcardium roelofi spec. nov., Ctenocardia lisae spec. nov., Acrosterigma zamboangaense spec. nov., Vasticardium jorgeni spec. nov. and Vasticardium albopacificum spec. nov. A new subfamily Nemocardiinae subfam. nov. is proposed for the genera Nemocardium Meek, 1876; Pratulum Iredale, 1924; Keenaea Habe, 1951; Lophocardium P. Fischer, 1887; Frigidocardium Habe, 1951 and Microcardium Keen, 1937. In addition it comprises the extinct genera Anechinocardium Hickman, 2015 and Arctopratulum Keen, 1954. Some notes are given on the composition and geographic distribution of the Vasticardium elongatum group of species. Acrosterigma elongatum cipangense J. Vidal, 1993 is considered a junior synonym of Trachycardium (Acrosterigma) serricostatum okinawaense Kuroda, 1960 and Vasticardium kuboderai Thach, 2015 a junior synonym of Vasticardium berschaueri Thach, 2014.

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Morelet’s contributions to malacology: further additions and corrections

Authors: A.S.H. Breure, J.D. Ablett
Basteria, 86 (1): 44-47Published:

Abstract

Further additions and corrections are presented to update the book on Pierre Marie Arthur Morelet, which was pub­lished in 2018. The most important addition is a missing letter that was recently found. The main corrections are related to the new molluscan taxa introduced by him, with consequences for the indices. Recent literature that pro­voked these corrections is listed.

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Two high-altitude species of molluscs, new for Bhutan (Bivalvia, Sphaeriidae – Gastropoda, Lymnaeidae)

Authors: E. Gittenberger, K. Tobgay, C. Gyeltshen, H. Nesemann
Basteria, 85 (1): 13-17Published:

Abstract

Pisidium stewarti and Tibetoradix cf. hookeri, two species that are known to occur at conditions that nowadays prevail at high altitudes, are reported from Bhutan for the first time. The records mark the southeastern border of the known recent occurrences for both species.

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New records of marine molluscs from Saba, Caribbean Netherlands

Authors: S.J. Hewitt, B.E. Picton, A. DuPont, T.M. Zahner, R.B. Salvador
Basteria, 85 (1): 59-72Published:

Abstract

Repeated scuba diving visits to Saba, Caribbean Netherlands, from 2011 to 2020 allowed us to add 51 species of marine molluscs to the island’s species checklist, in an attempt to get closer to having a full list of all the species that live around the island. Th e new records include 40 gastropods (over half of which are sea slugs), seven bivalves, one scaphopod and three cephalopods. The records of the following species represent large increments in their geographic distributions: Anetarca piutaensis (Ortea, Caballer & Espinosa, 2003), Coryphellina hamanni (Gosliner, 1994), Cyphoma cassidyae Lorenz, 2020, Tenellia cf. luciae (Valdés, Medrano & Bhave, 2016), Elysia cornigera Nuttall, 1990, Felimare acriba (Ev. Marcus & Er. Marcus, 1967), Lomanotus phiops Er. Marcus, 1957, Okenia picoensis Paz-Sedano, Ortigosa & Pola, 2017, Polycera sp. 2 sensu Valdés et al. (2006), Thuridilla malaquita Ortea & Buske, 2014. The introduced nudibranch Doriprismatica sedna (Ev. Marcus & Er. Marcus, 1967) was also recorded; its presence on Saba in 2014 (and on St. Eustatius in 2015) is indicative of a rapid expansion in the Caribbean. All records are backed by photographs which were taken, in situ, by T.M. Zahner, and which have been uploaded to the online platform iNaturalist. This has the advantage of simultaneously making the information available to researchers and to the broader public.

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Dr. ir. Jacobus Johannes (John) van Aartsen (1936-2020): a life for malacology

Authors: J. Goud, H.P.M.G. Menkhorst
Basteria, 84 (4/6): 265-281Published:

Abstract

Since 1958 John van Aartsen had a keen interest in molluscs of the Mediterranean, and particularly the differences in malacofauna of the western and eastern parts of that basin. He focussed on Rissoidae, Pyramidellidae and bivalves; published 139 malacological papers and described 105, par­ticularly minute-sized, species. Together with his wife Joz­ina, many trips were devoted to the collection of samples potentially containing small shell species. His collection with an odd 33,000 samples has been included in that of Naturalis Biodiversity Center (Leiden).

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Americardia lindamaesae spec. nov., a new cardiid from Ascension Island (Bivalvia, Cardiidae)

Authors: J.J. ter Poorten, F. Swinnen
Basteria, 83 (1/3): 41-51Published:

Abstract

Americardia lindamaesae spec. nov. (Cardiidae) is de­scribed from Ascension Island, based on new collections. It is compared with the related Americardia media (Lin­naeus, 1758), A. lightbourni Lee & Huber, 2012, A. columbel­la Lee & Huber, 2012 and A. speciosa (A. Adams & Reeve, 1850).

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The malacological publications of Jules-René Bourguignat: a bibliography

Authors: R.A. Bank, G. Falkner, M. Falkner, E. Neubert
Basteria, 83 (1/3): 59-90Published:

Abstract

An overview is given of the malacological papers published by the Frenchman Jules-René Bourguignat (29.viii.1829 – 3.iv.1892). Because of the Principle of Priority, special attention is given to publication dates, as Bourguignat in­troduced > 2500 taxa in the ‘Golden Age’, a period in mal­acology in which many new species were discovered. Five portraits of Bourguignat are reproduced, and reproduc­tions are provided of the rare plates 13-15 of the 1880 fasci­cule of his Matériaux sur les Acéphales. Publication dates are given for the three journals published by the Société Malacologique de France.

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