Published June 14, 2015 | Version v1
Taxonomic treatment Open

Islamia steffeki Glöer & Grego 2015, n. sp.

  • 1. Biodiversity Research Laboratory, Schulstrasse 3, D- 25491 Hetlingen, Germany. E-mail: gloeer @ malaco. de.
  • 2. Horná Mičiná, SK- 97401 Banská Bystrica, Slovakia. E-email: jozef. grego @ gmail. com

Description

Islamia steffeki n. sp.

(Figs 33-36)

Holotype: shell height 1.65 mm, width 1.7 mm, HNHM 99431.

Paratypes: 3 juv, specimens in ethanol, 20 specimens + some broken shells HNHM 99432 and 8 pecimens coll Grego from Izvor plive 1A + 5 specimens from spring in Gornja Pećka HNHM 99434 + 11 specimens from Izvor Plive 1B, HNHM 99433, 2 specimen in coll. Glöer.

Locus typicus: Republika Srpska, Draganić, Izvor Plive 1A, ca 150 m E of Izvor Plive 1, side spring in a house yard at right side of path to Izvor Plive 1, sandy sediment at the bottom of the spring zone; N44.240797°, E17.017108°; 05.04.2015 Jozef Grego leg. (Fig. 4).

Etymology: The species is named after the ever helpful and untimely deceased prof. Jozef Šteffek, a dedicated malacologist of Banská Štiavnica, Slovakia.

Description

Shell. The whitish shell is conical with 5.5 fast growing convex whorls separated by a deep suture. The aperture is circular, the umbilicus as wide as the half of the penultimate whorl. Shell height 1.6–1.7 mm, width 1.7–1.9 mm.

Operculum light orange, concave without a peg.

Differentiating features: The spire is higher and the whorls are more convex than all Islamia spp. mentioned by Radoman (1983) and Bodon et al. (2001).

Distribution: Known from type locality and sampling site 3 at Gornja Pećka and Izvor Plive 1A and 1B.

Notes

Published as part of Glöer, Peter & Grego, Jozef, 2015, New subterranean freshwater Molluscs from Bosnia & Hercegovina (Mollusca: Hydrobiidae), pp. 307-314 in Ecologica Montenegrina 2 (4) on pages 313-314

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Linked records

Additional details

Biodiversity

Collection code
HNHM
Material sample ID
HNHM 99431 , HNHM 99432 , HNHM 99433 , HNHM 99434
Scientific name authorship
Glöer & Grego
Kingdom
Animalia
Phylum
Mollusca
Order
Littorinimorpha
Family
Hydrobiidae
Genus
Islamia
Species
steffeki
Taxon rank
species
Taxonomic status
sp. nov.
Type status
holotype , paratype
Taxonomic concept label
Islamia steffeki Glöer & Grego, 2015

References

  • Radoman, P. (1983) Hydrobioidea a superfamily of Prosobranchia (Gastropoda). I. Systematics. Monographs 547, Serbian Academy of Sciences and Arts, (Department of Science), 256 pp.
  • Bodon, M., Manganelli, G. & Giusti. F. (2001) A survey of the European valvatiform Hydrobiid genera, with special reference to Hauffenia Pollonera, 1898 (Gastropoda: Hydrobiidae). Malcologia, 43 (1 - 2), 103 - 215.