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

Reptilia
 Squamata - Anguidae
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.
Pseudopus pannonicus1 Kormos 1911 legless lizard
mentioned in Table 1 of Klembara and Rummel 2018, no specimen no.s given
 Squamata - Colubridae
Elaphe praelongissima, "Coluber kormosi n. sp." = Elaphe kormosi, Coluber caspius3, "Zamenis hungaricus n. sp." = Coluber hungaricus
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)
Coluber caspius3 Gmelin 1789 racer
2 compounds
"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)
 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." = Vipera (Daboia) gedulyi Bolkay 1913 oriental 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),
 Squamata - Natricidae
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)