Checklist of animals in Postojna-Planina Cave System – the species richest cave system in the world

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Checklist of animals in Postojna-Planina Cave System – the species richest cave system in the world

POSTOJNSKO-PLANINSKI JAMSKI SISTEM

The “Postojnsko – planinski jamski sistem” (in English: Postojna – Planina Cave System) is an outstanding cave system in the world for many reasons. It is the site of the discovery of a cave-adapted beetle Leptodirus hochenwartii, which was the first scientific description of the specialized subterranean animal in the world. This discovery sparked further explorations and descriptions of cave species around the world as well, making the PPCS the “cradle of speleobiology”. The PPCS is inhabited by the highest number of troglobionts (obligate subterranean species) in the world, including the renowned amphibian Proteus anguinus. It is an exceptional site, not only for its biological importance, but also for its historical, touristic and conservation significance.

The PPCS is located in central Slovenia, between the town of Postojna in Postojnska kotlina, the town of Planina on Planinsko polje and the town of Cerknica on Cerkniško polje. It is a system of many caves with separate entrances with individual cadastre numbers in Slovenian Cadastre of the caves: Postojnska jama (no. 747), Otoška jama (no. 779), Pivka jama (no. 472), Črna jama (no. 471), Magdalena jama (no. 820), Planinska jama (no. 748), Lekinka (no. 1867) and Tkalca jama (no. 857). If the lengths of their channels are added together, PPCS is a complex system of at least 34 km of cave passage length. Although some connections between the caves have not been passed by man (because of deep siphons), the caves are connected by underground water connections, mainly by the rivers Pivka and Rak.

Position of the caves of Postojna Planina Cave System in central Slovenia (position of the country marked in a small map in the top middle). Two photos from the cave are from Pisani rov in Postojnska jama (left), and Rak channel in Planinska jama (right).

THE CHECKLISTS OF ANIMALS IN PPCS

The first checklists of the PPCS were compiled as early as in the 19th century, and some updated lists were published in the 20th century. The last species list that included only aquatic fauna was published in 1979 by Boris Sket. So it was high time to compile an updated checklist of the taxa that occur in PPCS, and make it available to the experts and interested public.

Despite its richness, new discoveries of species are expected in PPCS and the checklist is constantly updated from the SubBioDB database.

The checklist of troglobionts in PPCS

The special issue of the journal Diversity on Hotspots of Subterranean Biodiversity stimulated the preparation of the checklist of troglobionts. The collaboration of scientists from SubBioLab and Notranjska Museum in Postojna resulted in an article:

Zagmajster M., Polak S., Fišer C. (2021) Postojna-Planina Cave System in Slovenia, a hotspot of subterranean biodiversity and a cradle of speleobiology. Diversity.

You are therefore asked to refer to this publication when citing the checklist of troglobionts.

The list of 117 troglobiotic species recorded in the Postojna- Planina Cave System in Slovenia (ver. June 2021). If the species was reported from a specific cave(s) of the system, its name is given. Species with type locality in PPCS are marked with TL, and troglobiotic populations of surface species are marked with *.

Taxonomic group

Family

Species   [original mentioning]

Cave

Protozoa – Ciliata

 

Suctoria

Spelaeophryidae

TLSpelaeophrya troglocaridis Stammer, 1935

Planinska jama

Porifera

 

Demospongia

Spongillidae

*Ephydatia fluviatilis (Linne, 1759)

Postojnska jama, Planinska jama

Turbellaria

 

 

 

Temnocephalida

Scutariellidae

TLBubalocerus pretneri Matjašič, 1958

Planinska jama

 

 

TLTroglocaridicola capreolaria Matjašič, 1958

Planinska jama

Tricladida

Dendrocoelidae

Dendrocoelum spelaeum cf (Kenk, 1924)

Planinska jama

 

 

TLDendrocoelum tubuliferum de Beauchamp, 1919

Postojnska jama, Črna jama

Cnidaria

 

Hydrozoa

Bougainvilliidae

TLVelkovrhia enigmatica Matjašič & Sket, 1971

Planinska jama

Mollusca

 

 

 

Gastropoda

Acroloxidae

Acroloxus tetensi (Kuščer, 1932)

Postojnska jama, Planinska jama

 

Ancylidae

*Ancylus fluviatilis Mueller, 1774

Postojnska jama, Planinska jama

 

Carychiidae

Zospeum kusceri Wagner A.J., 1912

Črna jama, Pivka jama

 

 

Zospeum lautum (Frauenfeld, 1854)

Črna jama

 

 

TLZospeum spelaeum spelaeum (Rossmässler, 1839) [Carychium spleaeum; Z. alpestre rossmäsleri]

Postojnska jama, Otoška jama, Črna jama, Pivka jama, Planinska jama

 

Hydrobiidae

*Belgrandiella fontinalis(Schmidt F.J., 1847)

Planinska jama

 

 

Belgrandiella schleschi Kuščer, 1932

 

 

 

Hadziella ephippiostoma Kuščer, 1932

 

 

 

Hauffenia michleri Kuščer, 1932

Planinska jama

 

 

Hauffenia subpiscinalis (Kuščer, 1932) 

[Neohoratia subpiscinalis]

Planinska jama

 

 

Iglica luxurians (Kuščer, 1932)

Planinska jama

 

 

Belgrandiella kusceri (Wagner A.J., 1914)

Planinska jama

Annelida

 

 

 

Hirudinea

Erpobdellidae

*Dina krasensis (Sket, 1968) [Trocheta bykowskii krasense]

Pivka jama, Planinska jama

 

Glossiphoniidae

*Glossiphonia complanata complanata (Linne, 1758)

Planinska jama

Oligochaeta

Lumbriculidae

Trichodrilus ptujensis Hrabe, 1963

 

 

 

Trichodrilus strandi Hrabe, 1936

Postojnska jama, Planinska jama

 

Tubificidae

TLEpirodrilus slovenicus Karaman Sp., 1976

Planinska jama

 

 

TLPotamothrix postojnae Karaman Sp., 1974

Planinska jama

 

 

TLPsammoryctides hadzii Karaman Sp., 1974

Planinska jama

 

 

TLRhyacodrilus caudosetosus Karaman Sp., 1983

Planinska jama

 

 

TLRhyacodrilus maculatus Karaman Sp., 1983

Planinska jama

 

 

TLRhyacodrilus sketi Karaman Sp., 1974

Planinska jama

 

 

Sketodrilus flabellisetosus (Hrabe, 1966)

Planinska jama

Arthropoda – Arachnida

 

Acarina

Eremaeidae

Oppia cavatica nomen nudum

Planinska jama

Eremaeidae

Oppia malograjskiella nomen nudum

Planinska jama

Labidostommidae

TL,*Labidostomma lyra Willmann 1932  [Nicoletiella denticulata]

Postojnska jama

Araneae

Dysderidae

Mesostalita nocturna (Roewer 1931)

Postojnska jama

TLStalita taenaria Schioedte, 1847

Postojnska jama, Otoška jama, Magdalena jama, Črna jama, Planinska jama

Linyphiidae

TLTroglohyphantes excavatus Fage 1919   [Troglohyphantes anellii]

Postojnska jama

Palpigrada

Eukoeneniidae

Eukoenenia austriaca austriaca (Hansen, 1926)

Postojnska jama

Pseudoscorpiones

Chthoniidae

Chthonius speleophylus Hadži, 1930

Postojnska jama

TLChthonius cavernarum Ellingsen, 1909

Postojnska jama

Troglochthonius doratodactylus Helversen, 1968

Postojnska jama

Neobisiidae

TLNeobisium pusillum Beier, 1939

Črna jama

TLNeobisium spelaeum spelaeum (Schioedte, 1848)

Postojnska jama, Otoška jama

Roncus stussineri (Simon, 1881)

 

Arthropoda-Crustacea

 

Cladocera

Chydoridae

*Chydorus sphaericus (O.F.Mueller, 1776)

 

Copepoda – Calanoida

Diaptomidae

Troglodiaptomus sketi Petkovski, 1978  [Troglodiaptomus sketi postojnae]

Postojnska jama, Planinska jama

Copeopoda – Cyclopoida

Cyclopidae

Acanthocyclops kieferi (Chappuis, 1925)

Postojnska jama, Planinska jama

Acanthocyclops venustus venustus (Norman & Scott, 1906) [Acanthocyclops venustus stammeri]

Postojnska jama, Planinska jama

TLDiacyclops charon (Kiefer, 1931) [Cyclops charon]

Postojnska jama, Pivka jama, Planinska jama

Diacyclops languidoides (Lilljeborg, 1901)

[Diacyclops languidoides goticus]

Postojnska jama

Diacyclops slovenicus Petkovski, 1954

Postojnska jama, Planinska jama

TLMetacyclops postojnae Brancelj, 1987

Postojnska jama

Speocyclops infernus (Kiefer, 1930)

Postojnska jama, Črna jama, Pivka jama, Planinska jama

Copepoda – Harpacticoida

Ameiridae

Nitocrella n. sp.

Postojnska jama

Canthocamptidae

Bryocamptus balcanicus (Kiefer, 1933)

Postojnska jama, Črna jama, Pivka jama, Planinska jama

Bryocamptus n. sp.

Pivka jama

Bryocamptus pyrenaicus (Chappuis, 1923)

Postojnska jama, Pivka jama, Planinska jama

Bryocamptus typhlops (Mrazek, 1893)

Postojnska jama, Pivka jama, Planinska jama

Bryocamptus zschokkei caucasicus Borutzky 1960

Postojnska jama, Pivka jama, Planinska jama

Elaphoidella charon Chappuis, 1936

Planinska jama

TLElaphoidella cvetkae Petkovski, 1983

Postojnska jama, Črna jama, Pivka jama, Planinska jama

Elaphoidella elaphoides (Chappuis, 1924)

Pivka jama, Planinska jama

TLElaphoidella franci Petkovski, 1983

Planinska jama

TLElaphoidella jeanneli (Chappuis, 1928)

Postojnska jama, Črna jama, Planinska jama

Elaphoidella stammeri Chappuis, 1936

Postojnska jama, Planinska jama

Maraenobiotus cf. brucei (Richard, 1898) 

Pivka jama

Moraria n. sp.

Črna jama

Morariopsis scotenophila (Kiefer, 1930)

Postojnska jama, Črna jama

Pilocamptus pilosus (Douwe, 1910)  [Echinocamptus georgevitchi, E. pilosus, E. unicus]

Postojnska jama, Črna jama, Pivka jama, Planinska jama

Stygepactophanes n. sp.

Črna jama

Parastenocarididae

Horstkurtcaris nolli alpina (Kiefer, 1960) [Parastenocaris nolli]

Črna jama, Pivka jama

Parastenocaris n. sp. 1

Črna jama

Parastenocaris n. sp. 2

Postojnska jama, Črna jama, Pivka jama

Ostracoda – Podocopida

Candonidae

TLTyphlocypris trigonella (Klie, 1931) [Candona trigonella]

Postojnska jama

Typhlocypris schmeili nomen nudum

Črna jama

Decapoda

Atyidae

TLTroglocaris planinensis Birstein, 1948 [Troglocaris anophthalmus]

Postojnska jama, Črna jama, Pivka jama, Planinska jama, Tkalca jama

Amphipoda

Crangonyctidae

*Synurella ambulans Mueller, 1846  [Synurella jugoslavica]

Planinska jama

Niphargidae

Niphargus dobati Sket 1999  [Niphargus aquilex]

Planinska jama

Niphargus orcinus Joseph 1869

 

TLNiphargus orophobata (Sket, 1981)  [Niphargobates  orophobata]

Planinska jama

TLNiphargus spoeckeri Schellenberg, 1933

Črna jama, Pivka jama, Planinska jama

TLNiphargus stygius (Schioedte, 1847)

Postojnska jama, Črna jama, Planinska jama

Niphargus sp. stygius-complex (Schioedte, 1847)

Postojnska jama, Črna jama, Planinska jama

TLNiphargus wolfi Schellenberg, 1933

Postojnska jama, Planinska jama

Isopoda

Asellidae

*Asellus aquaticus aquaticus (Linne, 1761)

Postojnska jama, Črna jama, Pivka jama, Planinska jama

TL,*Asellus aquaticus cavernicolus Racovitza, 1925

Postojnska jama, Črna jama, Pivka jama, Planinska jama

Proasellus istrianus (Stammer 1932)

Pivka jama

Sphaeromatidae

Monolistra racovitzai racovitzai Strouhal, 1928

Postojnska jama, Planinska jama

Trichoniscidae

Androniscus stygius (Nemec, 1897) [Andronicus cavernarum tschammeri Strouhal, 1935]

Postojnska jama, Magdalena jama, Črna jama, Planinska jama

TLTitanethesalbus (Koch C., 1841)

Postojnska jama, Otoška jama, Magdalena jama, Črna jama, Pivka jama, Planinska
jama

Arthropoda-Myriapoda

 

 

 

Chilopoda

Lithobiidae

Lithobius n. sp.

 

 

 

TLLithobius stygius Latzel, 1880

Postojnska jama, Otoška jama, Planinska jama

 

 

TLLithobius zveri (Matić & Stentzer, 1977)  [Monotarsobius zveri]

Planinska jama

Diplopoda

Attemsiidae

TLAttemsia stygia (Latzel, 1884)

Postojnska jama,  Otoška jama, Pivka  jama

 

Haasiidae

TLHaasia troglodyta(Latzel 1884)   [Acherosoma troglodytes, Haasia troglodytes]

Postojnska jama

 

Iulidae

Typhloiulus illirycus (Verhoeff, 1929)

Postojnska jama, Otoška jama

 

Polydesmidae

TL,*Brachydesmus subterraneus Heller, 1857

Postojnska jama, Črna jama, Pivka jama

Symphyla

Scolopendrellidae

TLScolopendreilopsis pretneri Juberthie-Jupeau, 1963

Postojnska jama

 

Scutigerellidae

TLScutigerella hauserae Scheller, 1990

Postojnska jama

Arthropoda-Hexapoda

 

Collembola

Arrhopalitidae

TLPygmarrhopalites postumicus (Stach, 1945)   [Arrhopalites postumicus]

Postojnska jama

Paronellidae

Troglopedetes pallidus Absolon, 1907

Postojnska jama, Otoška jama

Neelidae

Neelus n. sp.

Postojnska jama

Oncopoduridae

TLOncopodura cavernarum Stach 1934

Postojnska jama

Onychiuridae

Absolonia gigantea (Absolon, 1901)  [Onychiurus giganteus]

Črna jama

TLOnychiuroides postumicus Bonet, 1931  [Onychiurus postumicus]

Črna jama

TLOnychiurus boldorii Denis, 1938

Postojnska jama

 

Tomoceridae

Tritomurus scutellatus Frauenfeld 1854)

Postojnska jama, Planinska jama

Diplura

Campodeidae

Plusiocampa nivea (Joseph, 1882)  [Campodea nivea, Plusiocampa erebophila]

Postojnska jama

Coleoptera

Carabidae

Anophthalmus amplus sedulus (Knirsch, 1926)  [Anophthalmus pubens/pubescens]

Planinska jama

Anophthalmus schmidtii schmidtii Sturm, 1844

Postojnska jama, Črna jama, Planinska jama

TLAnophthalmus severi confusus (J. Müller, 1935)  [Anophthalmus hirtus confusus]

Magdalena jama, Črna jama

Cholevidae

Aphaobius milleri Schmidt, 1855

Črna jama

Bathyscimorphus sagarum Bognolo, 2002

Planinska jama

TLBathyscimorphus byssinus byssinus (Schiödte, 1848)

Postojnska jama, Otoška jama, Črna jama

TLBathysciotes khevenhuelleri khevenhuelleri (L. Miller, 1852)

Postojnska jama, Otoška jama, Magdalena jama, Planinska jama

TLLeptodirus hochenwartii hochenwartii Schmidt, 1832

Postojnska jama, Otoška jama, Magdalena jama, Črna jama, Planinska jama

Staphylinidae

TLMachaerites ravasinii (J. Müller, 1922)

Postojnska jama, Planinska jama

Vertebrata

 

Amphibia-Urodela

Proteidae

Proteus anguinus Laurenti, 1768

Postojnska jama, Magdalena jama, Črna jama, Planinska jama, Tkalca jama

The checklist of non troglobionts in PPCS

Under preparation

 In case of any further questions, please contact SubBioDB manager.

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