Polgárdi 2 (Neogene of Hungary)

Also known as "classic Polgárdi locality"

Where: Central Transdanubia, Hungary (47.1° N, 18.3° E: paleocoordinates 46.9° N, 18.2° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: MN 13 (7.2 - 4.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: sinkhole; lithology not reported and limestone

• Polgárdi 2 is a cave/sinkhole, formed by karstification of Upper Carboniferous 'crystalline' limestones (Freudenthal & Kordos, 1989, Scripta Geol. 89, 71-100).

Size classes: macrofossils, mesofossils

Collection methods: sieve,

• HGI = Hungarian Geological Institute, Budapest

Primary reference: M. Venczel. 1994. Late Miocene Snakes from Polgárdi. Acta Zoologica Cracoviensia 37(1):1-29 [J. Mueller/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69917: authorized by Lars van den Hoek Ostende, entered by Lars van den Hoek Ostende on 10.03.2007, edited by Torsten Liebrecht and Terri Cleary

Creative Commons license: CC BY (attribution)

Taxonomic list

 Squamata - Anguidae
Pseudopus pannonicus1 Kormos 1911 legless lizard
mentioned in Table 1 of Klembara and Rummel 2018, no specimen no.s given
Anguis polgardiensis n. sp.2 Bolkay 1913 slow worm
"? Anguis polgardiensis" - original material lost but this is given as the type locality. Some debate over whether it belongs to Anguis or Ophisaurus.
 Squamata - Colubridae
Elaphe praelongissima, "Coluber kormosi n. sp." = Elaphe kormosi, "Zamenis hungaricus n. sp." = Coluber hungaricus, Coluber caspius3, Natrix cf. longivertebrata
Elaphe praelongissima Venczel 1994 colubrid snake
3 isolated skull bones (HGI Ob-4465/f, g, h = part of the original type material of "Coluber" kormosi), 75 vertebrae (HGI V.19003)
"Coluber kormosi n. sp." = Elaphe kormosi Bolkay 1913 colubrid snake
4 isolated skull bones (HGI Ob-4465/a, c, d and e = syntypes), 15 vertebrae (HGI V.19001)
"Zamenis hungaricus n. sp." = Coluber hungaricus Bolkay 1913 racer
1 right quadrate (HGI Ob-4464/Vt.76 = holotype), 1 fragm. basiparasphenoid (Ob-4463/1), 1 compound bone (Ob-4463/2), 2 maxillae (Ob-4465/2)
Coluber caspius3 Gmelin 1789 racer
2 compounds
Natrix cf. longivertebrata Szyndlar 1984 water snake
7 skull bones (HGI Ob-4466/a to f), 2 fragm. compound bones (Ob-4463/b, c), 60 vertebrae (HGI V.18973)
 Squamata - Crotalidae
Vipera "sp. 1" Laurenti 1768 pit viper
"'Oriental viper' group", 2 vertebrae (HGI V.18982)
Vipera "sp. 2" Laurenti 1768 pit viper
"'European viper' group", 3 fragm. parietals, 12 vertebrae (HGI V.18984), the parietals were identifed as Vipera cf. aspis and Vipera cf. ammodytes by Szunyoghy (1932)
Vipera gedulyi n. sp. Bolkay 1913 pit viper
107 skull and mandibular elements plus 206 isolated venom fangs (HGI Ob-4467/Vt.74 = syntypes), 2 fragmentary dentaries and 1 fragmentary palatine (HGI V.13102/a, b), 1000 vertebrae (V.13103),