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Ichthyosaura alpestris
Alpine Newt
Bergmolch
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Subspecies
(1) Ichthyosaura alpestris alpestris (Laurenti, 1768)
(2) Ichthyosaura alpestris apuana (Bonaparte, 1839)
(3) Ichthyosaura alpestris cyreni (Wolterstorff, 1932)
(4) Ichthyosaura alpestris lacusnigri (Seliskar et Pehani, 1935)
(5) Ichthyosaura alpestris reiseri (Werner, 1902)
(6) Ichthyosaura alpestris veluchiensis (Wolterstorff, 1935)

There is significant disagreement about the subspecies substructure of this species. Dubois and Raffaelli (2009) have presented a list of all species and subspecies of Salamandridae, also including the present species. However, they use unusual vocabulary (e.g. "nucleospecies" which appears to be similar but different from "type species", because if the two terms were identical, then the authors surely would have used "type species" and not invented a new term) and unusual taxonomic units (e.g. "exerge" which is probably similar to a "species group", but is used differently, because the authors seem to interpolate the "exerge name" between the species and the subspecies epithet). Thus, it is unclear whether the authors use a quadrinominal name-form here (and these names are excluded from the synonymy list below). Because of this problematic nature of the work, I do not follow Dubois and Raffaelli (2009) here. I follow here the analysis by Sotiropoulos et al. 2007. They recognize 5 clades in Ichthyosaura alpestris, some of them with further subgroupings and not all of them yet with named taxa. The five subspecies listed above correspond to the clades B, C1, C3, E1, E2 and the combined clade D. Clades A and C2 do not yet have a separate name. A full overview of the correspondence of the clade structure by Sotiropoulos et al. (2007) and the 6 subspecies recognized above is given below in the section "Synonyms". The analysis by Sotiropoulos et al. (2007) has largely been confirmed by the analysis by Recuero et al. (2014), but in addition, this work provides evidence for a separation of the northern Balcan and the Carpathian populations into two separate taxa (reiseri and carpathica, respectively). I provisionally retain these in a single subspecies until more data on the nature of the two groups are available. Of the six subspecies recognized here, only the nominate form occurs in Germany.
Note, however, that Vukov et al. (2011) have shown that the diversification of mitochondrial DNA (mtDNA) discovered by Sotiropoulos et al. (2007) is not accompanied by significant morphological diversification- at least in the Balcan populations. Vukov et al. (2011) suggest that the evolution of the different populations is non-adaptive. If this interpretation should prove to be correct, then this would support those authors who argue that the Alpine Newt does not have any subspecies. Similarly, Speybroeck et al. (2010) have argued that the phylogenetic analysis of mitochondrial DNA (as performed by Sotiropoulos et al. (2007)) may be negatively influenced by mtDNA introgression from some subroups into other subgroups, thus obscuring the true phylogenetic relationships. Therefore Speybroeck et al. (2010) argue that changes in the intraspecific systematics of Ichthyosaura alpestris are premature. However, the analysis by Recuero et al. (2014) also included nuclear DNA and thus strongly suggests that mtDNA introgression is not a significant source of error in the phylogenetic analysis by Sotiropoulos et al. (2007).


Synonyms
I give here the complete synonymy of all hitherto described taxa and sort them according to the clades in Sotiropoulos et al. (2007).

(0) Clade A (restricted to a small area in Serbia) and Clade C2 (north-eastern Italy) comprise geographically restricted populations that have not received a scientific name yet.

(1) Clade C3 (Alps, Central Europe, eastern France, central portions of eastern Europe). Ichthyosaura alpestris alpestris:
Triton alpestris Laurenti, 1768 (p. 38, p. 142)
Triton alpestris alpestris Laurenti, 1768
Salamandra alpestris (Laurenti, 1768)
Molge alpestris (Laurenti, 1768)
Hemitriton alpestris (Laurenti, 1768)
Triturus alpestris (Laurenti, 1768)
Triturus alpestris alpestris (Laurenti, 1768)
Mesotriton alpestris (Laurenti, 1768)
Mesotriton alpestris alpestris (Laurenti, 1768)
Ichthyosaura alpestris (Laurenti, 1768)
Ichthyosaura alpestris alpestris (Laurenti, 1768)
Ichthyosaurus alpestris (Laurenti, 1768)
Type locality: "in Etschero monte" (= Ötscher, Lower Austria).
Proteus tritonius Laurenti, 1768 (p. 37, p. 140)
Ichthyosaura tritonius (Laurenti, 1768)
Type locality: "in lacu, qui est in alpe Etscher", "in lacu frigidissimo, qui est in alpe Etscher" (= Ötscher, Lower Austria).
Triton wurfbainii Laurenti, 1768 (p. 38)
Type locality: not given in original description.
Triton salamandroides Laurenti, 1768 (p. 40)
Type locality: "in Germania", at the time comprising most of Central Europe.
Lacerta gyrinoides Merrem, 1789 (p. 194)
Gecko gyrinoides (Merrem, 1789)
Type locality: "auf dem Heimberge in einem Sumpfe (das Lichtemeer genannt)" (= now mostly dried-up pond north of Kehr on Hainberg hill near Herberhausen, Göttingen (Niedersachsen)).
Salamandra ignea Bechstein, 1800
Molge ignea (Bechstein, 1800)
Triton igneus (Bechstein, 1800)
Type locality: Thüringen.
Salamandra cincta Latreille, 1800
Type locality: "France".
Salamandra rubriventris Daudin, 1803
Type locality: replacement name for Triton alpestris, thus same type locality.
Triton zonarius Millet de la Turtaudiere, 1828
Type locality: replacement name for Salamandra cincta, thus same type locality.
Triturus alpestris winterli Sochurek, 1956
Type locality: Kärnten, Austria.
Triturus alpestris buekkiensis Dely, 1960
Type locality: Bükk mountains, Hungary.
Triturus alpestris satoriensis Dely, 1960
Type locality: Istvan-Patak, Hungary.
Salamandra wurfbaini auct. (misspelling)
Molge wurfbaini auct. (misspelling)
Triton wurfbeinii auct. (misspelling)
Triton salamandroides wurfbani auct. (misspelling)

(2) Clade B (most of Italy). Ichthyosaura alpestris apuana:
Triton apuanus Bonaparte, 1839
Triton alpestris apuanus (Bonaparte, 1839)
Triturus alpestris apuana (Bonaparte, 1839)
Triturus alpestris apuanus (Bonaparte, 1839)
Mesotriton alpestris apuanus (Bonaparte, 1839)
Ichthyosaura alpestris apuana (Bonaparte, 1839)
Type locality: Serravezza, Apuan Alps, northwestern Italy
Triton neglectus Jan, 1857 (nomen nudum)
Type locality: Appenine mountains, Italy.
Triton alpestris immaculatus Duerigen, 1897
Type locality: replacement name for Triton apuanus, thus same type locality.
Triton alpestris ocellata Wolterstorff, 1934
Type locality: Genoa, Italy.
Triturus alpestris inexpectatus Dubois et Breuil, 1983
Ichthyosaura alpestris inexpectata (Dubois et Breuil, 1983)
Type locality: Calabria, Italy.

(3) Clade C1 (northern Spain). Ichthyosaura alpestris cyreni:
Triturus alpestris cyreni Wolterstorff, 1932
Mesotriton alpestris cyreni (Wolterstorff, 1932)
Ichthyosaura alpestris cyreni (Wolterstorff, 1932)
Type locality: Cantabrian Mountains, northern Spain.

(4) Clade E1 (Montenegro). Ichthyosaura alpestris lacusnigri:
Triturus alpestris lacustris Seliskar et Pehani, 1935 (secondary junior homonym of Lacerta lacustris Blumenbach, 1821 (a junior synonym of Triturus cristatus) when both were considered congeneric in Triturus)
Type locality: Crno Jezero, Montenegro.
Triton alpestris lacusnigri Seliskar et Pehani, 1935
Triturus alpestris lacusnigri (Seliskar et Pehani, 1935)
Ichthyosaura alpestris lacusnigri (Seliskar et Pehani, 1935)
Type locality: valid replacement name (Article 59.3) for Triturus alpestris lacustris, thus same type locality.
Triturus alpestris montenegrinus Radovanovic, 1951
Ichthyosaura alpestris montenegrina (Radovanovic, 1951)
Type locality: Montenegro, near the Albanian border.
Triturus alpestris serdarus Radovanovic, 1961
Ichthyosaura alpestris serdara (Radovanovic, 1961)
Type locality: Montenegro.

Triturus alpestris piperianus Radovanovic, 1961
Ichthyosaura alpestris piperiana (Radovanovic, 1961)
Type locality: Montenegro.
Triturus alpestris montenigrus auct. (misspelling)
Triturus alpestris montenigrinus auct. (misspelling)

(5) Clade E2 (northern Balcans, southern Carpathians). Ichthyosaura alpestris reiseri:
Molge alpestris reiseri Werner, 1902
Triton alpestris reiseri (Werner, 1902)
Molge reiseri (Werner, 1902)
Triturus alpestris reiseri (Werner, 1902)
Ichthyosaura alpestris reiseri (Werner, 1902)
Type locality: Vranika mountains, Bosnia.
Triturus alpestris carpathicus Dely, 1960
Ichthyosaura alpestris carpathica (Dely, 1960)
Type locality: Sinaia, Romania. This locality actually quite exactly matches the locality of Specimen 32 in Sotiropoulos et al. (2007).

(6) Clade D (D1-D4; Greece, Macedonia, southern Serbia). Ichthyosaura alpestris veluchiensis:
Triturus alpestris graeca Wolterstorff, 1934 (nec Wolterstorff, 1906; junior secondary homonym of Triton vulgaris graeca Wolterstorff, 1906 (a good species in the genus Lissotriton) when both were considered as congeneric in Triturus)
Ichthyosaura alpestris graeca (Wolterstorff, 1934)
Type locality: Mount Veluchi, Greece.
Triturus alpestris veluchiensis Wolterstorff, 1935
Ichthyosaura alpestris veluchiensis (Wolterstorff, 1935)
Type locality: valid replacement name (Article 59.3) for Triturus alpestris graeca, thus same type locality.
Mesotriton alpestris velouchiensis auct. (misspelling)

The generic name of this species is discussed controversially. First, there is disagreement whether the traditional genus Triturus is monophyletic or not. Several recent phylogenetic studies suggest that Triturus in the traditional sense is not a monophyletic group. Although details of the phylogenies differ, they all agree that the group containing the type species of Triturus, Triturus cristatus, is not directly related to the other newt species. I therefore adopt here the notion that the traditional genus Triturus has to be split into several genera.

Second (if one accepts the splitting of the traditional Triturus concept), there is disagreement which genus name is the valid name for the grouping containing the nominal taxon Triton alpestris. The name Ichthyosaura is the oldest name used as a genus name for a putative specimen of the present species. This specimen has been described as Proteus tritonius (Laurenti 1768) from a small lake in the Ötscher mountain in Lower Austria and later the genus Ichthyosaura has been erected for it (Sonnini and Latreille 1801 or 1802). However, the identity of this specimen is disputed and some authors regard it as unidentifiable or as belonging to other species of Salamandridae. In my opinion there cannot be doubt about the identity of the specimen described and figured by Laurenti (1768). It is a larva with four fingers and five toes, relatively long gills and a dorsal fin that almost reaches the head. This combination of characters and the given type locality in Austria rules out that the specimen is the larva of a species of Proteus, Salamandra or Salamandrina. The figure in Laurenti (1768) clearly shows a tail fin that does not taper towards the tail tip and that has a rounded blunt end. This is the typical fin and tail of the nominal Triton alpestris and rules out all other newts of the region. Thus, the type species Proteus tritonius of the genus Ichthyosaura is clearly identical to Triton alpestris and therefore the name Ichthyosaura is the valid genus name for the genus containing Triton alpestris. Please note that the year of publication of Sonnini and Latreille´s work is unclear, because the title page only gives "AN X", i.e. the year 10 of the French Republican Calendar and there is no other indication in the volume that gives a more precise date of publication. The year 10 of the French Republican Calendar that corresponds to the interval from September 23, 1801 to September 22, 1802, thus the volume may have been published in 1801 or in 1802.


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Male during breeding season.





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