Randeck Maar, quarry of Oskar Fraas, marginal limestones and marls (stage 2a) (Miocene of Germany)

Where: Baden-Württemberg, Germany (48.6° N, 9.5° E: paleocoordinates 48.8° N, 8.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Randeck Maar Formation, MN 5 (16.0 - 13.7 Ma)

• Early/Middle Miocene (Burdigalian, Karpatian, MN 5, ca. 16–18 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: crater lake; limestone and marl

• marginal limestones and marls (stage 2a)

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Primary reference: R. B. Salvador, M. W. Rasser, and O. Höltke. 2015. Fossil gastropods from Miocene Lake Randeck Maar and its hinterland (SW Germany). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 277(3):251-273 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172951: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 04.09.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Gastropoda
 Pulmonata - Discidae
Discus pleuradrus Bourguignat 1881 disk snail
 Heterostropha - Planorbidae
Gyraulus kleini Gottschick and Wenz 1916 snail
Planorbarius cornu Brongniart 1810 snail
Ferrissia deperdita Desmarest 1814 snail
 Heterostropha - Lymnaeidae
Lymnaea cf. dilatata Noulet 1854 snail
 Stylommatophora - Zonitidae
Archaeozonites costatus Sandberger 1876 true glass snail
 Stylommatophora - Helicodontidae
"Helicodonta involuta" = Protodrepanostoma involutum
"Helicodonta involuta" = Protodrepanostoma involutum Thomä 1845 slug
 Stylommatophora - Elonidae
Apula coarctata Klein 1853 slug
 Stylommatophora - Helicidae
"Megalotachea silvana" = Palaeotachea silvana
"Megalotachea silvana" = Palaeotachea silvana Klein 1853 slug
 Stylommatophora - Hygromiidae
"Leucochroopsis kleini" = Leucochroopsis kleinii
"Leucochroopsis kleini" = Leucochroopsis kleinii Klein 1847 slug
 Stylommatophora - Trissexodontidae
 Stylommatophora - Testacellidae
Testacella zellii Klein 1853 slug
 Stylommatophora - Cochlicopidae
"Cochlicopa loxostoma" = Hypnophila loxostoma
"Cochlicopa loxostoma" = Hypnophila loxostoma Klein 1853 slug
 Stylommatophora - Chondrinidae
Granaria sp. Held 1837 slug
 Stylommatophora - Clausiliidae
Clausiliidae indet. Gray 1855 slug
 Stylommatophora - Filholiidae
Triptychia kleini Schnabel 2006 slug
Triptychia randeckiana Kranz 1908 slug
 Sorbeoconcha - Pomatiidae
Pomatias conicus Klein 1853 periwinkle