Ablett j d (10 risultati)

The type series boundary and the name-bearing type designation of each cyclophorid taxon originally described by Godwin-Austen are clarified based on an interpretation that complies with the ICZN. Previous statuses of type specimens designated by previous authors are reconsidered. Lectotypes of Spiraculum oakesi Godwin-Austen, 1…

The collection of the seven cyclophorid snail genera housed in the Natural History Museum, London (NHM), includes 95 available species-level names belonging to the genera Pterocyclos Benson, 1832, Cyclotus Swainson, 1840, Myxostoma Troschel, 1847, Rhiostoma Benson, 1860, Scabrina Blanford, 1863, Crossopoma Martens, 1891, and Pea…

Condizione: New. xiv, 294, 89 col plates. 270x195mm. HB. NEW. . The first major systematic review of this unique and highly-threatened fauna to appear in nearly a century. Full colour plates of snails - the first comprehensively illustrated work on the Western Ghats land snail fauna. This region includes the western coastline of…

This comprehensive checklist of non-marine molluscs from the mainland of Ecuador pre- sents data on 331 species (of which 5 are considered as nomen dubium), compiled from the literature, a subset of museum databases, and some verified observations from the internet. For all taxa the original reference is given and photographs of…

The type status is described for 65 taxa of the Orthalicoidea, classified within the families Megaspiridae (14), Orthalicidae (30), and Simpulopsidae (20); one taxon is considered a nomen inquirendum. Lectotypes are designated for the following taxa: Helix brephoides d'Orbigny, 1835; Simpulopsis cumingi Pfeiffer, 1861; Bulimulus…

The type status is described of 404 taxa classified within the family Bulimulidae (superfamily Orthalicoidea) and kept in the London museum. Lectotypes are designated for Bulimus aurifluus Pfeiffer, 1857; Otostomus bartletti H. Adams, 1867; Helix cactorum d'Orbigny, 1835; Bulimus caliginosus Reeve, 1849; Bulimus chemnitzioides F…

A Systematic Revision of the Land Snails of the Western Ghats of India is the first, major systematic review of this unique and highly-threatened fauna to appear in nearly a century. With 89 full-page colour plates of snails, it breaks new ground by being the first comprehensively-illustrated work on the Western Ghats land-snail…

412 species-group names (including 11 replacement names), and 14 genus-group names of the Alycaeidae have been introduced to date. Type materials of 85% (336) of the known species and subspecies were examined, a further 5% (19) of the taxa were studied using available non-type material, and for another 6% (22) the original descr…