The fossil pulmonate snails of Sandelzhausen (Early/Middle Miocene, Germany): Ellobiidae, Pupilloidea, and Clausilioidea

摘要

Sandelzhausen is an Early/Middle Miocene (Mammal Neogene zone MN5) fossil site near Mainburg, S Germany, that despite its small size harbors a rich fossil record. Thousands of fossil continental mollusks, almost exclusively pulmonate snails, were recovered during the excavations, but did not receive much attention from researchers. Here, the first part of a formal taxonomic treatment of Sandelzhausen's fossil pulmonates is presented, dealing with the superfamilies Ellobioidea, Pupilloidea, and Clausilioidea, and including the description of a new species. The following species were found in the material: Carychium eumicron and Carychium galli sp. nov. (Ellobiidae); Granaria cf. grossecostata and Granaria sp. (Chondrinidae); Gastrocopta acuminata and Gastrocopta nouletiana (Gastrocoptidae); ?Pyramidula sp. (Pyramidulidae); Strobilops sp. (Strobilopsidae); Vallonia lepida (Valloniidae); Vertigo callosa (Vertiginidae); Pseudidyla moersingensis (Clausiliidae); Triptychia sp. (Filholiidae).