| Allognathus campanyonii | |
|---|---|
 | |
| Aperture view of shell | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Superorder: | Eupulmonata |
| Order: | Stylommatophora |
| Family: | Helicidae |
| Genus: | Allognathus |
| Species: | A. campanyonii |
| Binomial name | |
| Allognathus campanyonii (Rossmässler, 1839) | |
| Synonyms | |
| |
Allognathus campanyonii is a species of land snail in the family Helicidae, the true snails. [2]
Five subspecies are currently recognized. [3]
| Subspecies | Shell (scale bar 1 cm) |
|---|---|
| A. c. campanyonii(Rossmässler, 1839) |  |
| A. c. minoricensis(Mittre, 1842) |  |
| A. c. pythiusensis(Bofill & Aguilar-Amat, 1924) |  |
| A. c. tanitianus(Forés & Vilella, 1993) |  |
| A. c. n. ssp (Chueca et al., 2015) |  |
It is endemic to the Balearic Islands. [1] It has also been introduced in several localities in the Iberian Peninsula (Banyuls-sur-Mer, Barcelona, Sitges and Tarragona) but, nowadays, only the population from Tarragona city walls is still alive. [4]
The distribution of this taxon follows a phylogeographical pattern, where distribution ranges of the five subspecies are well delimited. [3] Two subspecies are present in Mallorca, two in Eivissa and another one in Menorca. Allognathus campanyonii campanyonii is mainly distributed in the lower areas of Mallorca Island as well as in the Cabrera archipelago. Besides, the populations from Tarragona city walls belongs to this phylogroup. In Mallorca, we can also find the taxa A. campanyonii n. ssp., that is present in the southern Tramuntana Mountains. A. c. tanitianus and A. c. pythiusensis are the two taxa distributed in the Pityusic Islands, where the first one is present in Eivissa main island and Formentera whereas, the second one is present in Ses Bledes archipelago, although it is also present in several populations in Eivissa main Island. [3] Finally, in Menorca Island we can find A. c. minoricensis, where two main phylogroups were recovered. [3]
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