Abida bigerrensis
| Abida bigerrensis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Abida bigerrensis |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Abida bigerrensis | ||||||||||||
| Moquin-Tandon , 1856 |
Abida bigerrensis is a species of grain snails (Chondrinidae) from the suborder of land snails (Stylommatophora).
features
The conical-cylindrical to spindle-shaped housing is 5.0 to 6.6 mm high and 2.2 to 2.6 mm wide (5.5 to 6.5 mm × 2.3 to 2.6 mm). It has 8 to 9 moderately to strongly arched turns, which at first increase more or less regularly; the last contact is then often a little narrower and slightly shouldered near the seam. The housing is colored brown, often gray. The surface is regularly finely to heavily ribbed. The edge of the mouth is moderately to severely thickened and slightly turned over. The mouth edges are connected to each other at the parietal edge by a weak callus. The mouth is reinforced with up to 12 “teeth” (folds or lamellas). The angular lamella is connected to the spiral lamella. The inconspicuous subangular lamella is usually fused with the angular lamella. In addition to the parietal and infraparietal lamellae, there are often some small edge wrinkles. The spindle lamella extends forward to the mouth lip. The lower spindle lamella is slightly shorter. The upper palatal lamella, the lower palatal lamella and the infrapalatal lamella are often two-humped and also reach the mouth lip in front. Often a suprapalatal and a sutural lamella are also indicated. The last turn narrows towards the mouth, the mouth is obliquely flattened. At the point of the upper palatal lamella, the housing is somewhat sunk and can form a short spiral groove. The navel is narrow and partially visible when viewed from below.
In the male part of the reproductive system, the penis is longer than the vagina. The epiphallus is almost as long as the penis. The spermatic duct is almost straight and fused with the penile tissue in the lower area of the penis. The penis and epiphallus thus form a closed loop. A blind sac (caecum or flagellum) is missing or is only vaguely developed as a very small hump. The penile retractor muscle divides into two strands, one strand attaches proximally to the epiphallus, the other strand below the middle of the penis. In the female part of the genital tract, the free fallopian tube is slightly shorter than the vagina. The stem of the seminal vesicle is about one and a half times as thick as the free fallopian tube near the fallopian tube / stem of the seminal vesicle. The stalk is very long, is not embedded in the tissue of the prostate gland and reaches the albumin gland (protein gland).
The radula has a central tooth and 16 to 17 posterior teeth in the semi-transverse row.
Geographical distribution and habitat
The distribution area of the species extends from the northern and southern Eastern Pyrenees to the Cantabrian Mountains (about the height of Oviedo ). It lives on calcareous rocks and scree up to 1400 m above sea level.
Taxonomy
The taxon was basically named Pupa bigoriensis "Mich." As early as 1837 . set up by Emil Adolf Roßmaessler . Since Roßäßler gave a Derivatio nominis on the locality Bagnères-de-Bigorre, the name has to be improved to bigorriensis according to the International Rules for Zoological Nomenclature and is thus a younger homonym of Pupa bigorriensis des Moulins, 1836. Alfred Moquin-Tandon changed in 1856 the name in bigerrensis (without Derivatio nominis = origin of name); it is not recognizable as a substitute name and must therefore be viewed as a new scientific name (cf. Welter Schultes). In contrast, it may not be corrected due to the lack of Derivatio nominis. Synonyms are:
- Pupa baillensii var. Alba Folin & Berillon, 1877
- Pupa baillensii var. Elongata Folin & Berillon, 1877
- Pupa baillensii var. Major Folin & Berillon, 1877
- Pupa baillensii Dupuy, 1873
- Pupa bigoriensis Rossmässler, 1837 (non Pupa bigorriensis Des Moulins, 1835, preocc.)
- Pupa ringens var. Disjuncta Moquin-Tandon, 1856
- Pupa ringens var. Elongata Moquin-Tandon, 1856
- Pupa fagotiana Locard, 1881
- Pupa baillensi var. Garumnica Fagot, 1877
- Pupa gourdoniana Fagot, 1882
- Pupa ringens var. Pulchella Moquin-Tandon, 1856
- Pupa pyrenaica Boubée, 1833
- Pupa ringens Michaud, 1831 (non Pupa ringens Jeffreys, 1829)
- Pupa ringens var. Rossmaessleri Fagot & Nansouty, 1875
- Pupa subringens Fagot, 1891
Danger
According to the assessment of the International Union for Conservation of Nature and Natural Resources (IUCN), the species is not endangered.
supporting documents
literature
- Edmund Gittenberger: Contributions to the knowledge of the pupillacea: III. Chondrininae. Zoologische Verhandelingen, 127 (1): 3-267, 1973 ISSN 0024-1652 PDF .
- Michael P. Kerney, RAD Cameron & Jürgen H. Jungbluth: The land snails of Northern and Central Europe. 384 pp., Paul Parey, Hamburg & Berlin 1983 ISBN 3-490-17918-8 .
- Francisco W. Welter-Schultes: European non-marine molluscs, a guide for species identification = identification book for European land and freshwater mollusks. A1-A3 S., 679 S., Q1 – Q78 S., Planet Poster Ed., Göttingen 2012, ISBN 978-3-933922-75-5 .
Individual evidence
- ↑ Kerney et al. (1983: p. 111)
- ↑ Miquel Bech: Fauna malacològica de Catalunya: mol·luscs terrestres i d'aigua dolça . Treballs de la Institució Catalana d'Historia Natural, Filial de l'Institut d'Estudis Catalans, 12: 1–229, Barcelona, Institució Catalana d'Història Natural, 1990. Online at Google Books (p. 100)
- ^ Emil Adolf Rossmässler: Iconography of the land and freshwater molluscs, with special consideration of the European species not yet shown. First volume. Issue 1: I – VI, 1–132, Issue 2: 1–26, Issue 3: 1–33, Issue 4: 1–27, Issue 5–6: 1–70, Plates 1–30, Dresden & Leipzig , Arnold, 1835–1837 Online at www.biodiversitylibrary.org (5th / 6th issue, p.14) Plate 23, Fig. 321
- ↑ Alfred Moquin-Tandon: Histoire naturelle des mollusques terrestres et fluviatiles de la France contenant des études générales sur leur anatomie et leur physiologie et la description particulière des genres, des espèces et des variétés. Tome second. Pp. 1–646, Atlas ribbon, pp. 1–92, plates 1-54. Paris, Baillière, 1856 Online at www.biodiversitylibrary.org (p.362) and plate 26, (Fig.16-21) .
- ↑ AnimalBase - Abida bigerrensis (Moquin-Tandon, 1855)
- ↑ Fauna Europaea: Abida bigerrensis (Moquin-Tandon 1856)
- ↑ Gargominy, O. & Gomez, B. 2011. Abida bigerrensis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. on iucnredlist.org. Retrieved September 23, 2013.
