whisson c (3 Ergebnisse)

Three new species of the genus Bothriembryon Pilsbry, 1894 are described from an area in the southeast of Western Australia often rederred to as the Great Southern Region, including the shires of Ravensthorpe and Epserance. New taxa: Bothriembryon longitudinalis n. sp., Bothriembryon simoneae n. sp., Bothriembryon tenebris n. sp. 17 pp., 10 figs, 2 maps, 4 plates, 4.

Bothriembryon sophiarum sp. n. is described, based on shell and anatomical morphology, from the coastal area of south-easternmost Western Australia. This is the first description of a new extant Australian bothriembryontid in 33 years. The shell of B. sophiarum is slender with a unique teleoconch sculpture. It is found in low coastal scrub on cliff edges and escarpments and because of its restricted distribution, qualifies as a short range endemic. New taxon: Bothriembryon sophiarum n. sp. 14 pp., 6 figs, gr. 8.

Type material of 41 Australian Bothriembryon taxa present in Australian museums is critically listed, indicating systematic issues that need to be resolved in further studies. Information on additional type material of 22 taxa in non-Australian museums is compiled. The seven fossil taxa known so far are included in this catalogue. Based on the current systematic position, 38 species are treated in this paper. Bothriembryon jacksoni Iredale, 1939, Bothriembryon notatus Iredale, 1939, Bothriembryon praecelsus Iredale, 1939 and Bothriembryon serpentinus Iredale, 1939 are elevated to species level. Bothriembryon gratwicki (Cox, 1899) is listed as status to be determined. 40 pp., 9 figs, gr. 8.