Pierce, Harold G. (1992) The nonmarine mollusks of the Late Oligocene–Early Miocene Cabbage Patch fauna of western Montana. II. Terrestrial gastropod families other than Pupillidae (Pulmonata: Stylommatophora) Journal of Paleontology, 66 (4) 610-620 doi:10.1017/s0022336000024471
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | The nonmarine mollusks of the Late Oligocene–Early Miocene Cabbage Patch fauna of western Montana. II. Terrestrial gastropod families other than Pupillidae (Pulmonata: Stylommatophora) | ||
| Journal | Journal of Paleontology | ||
| Authors | Pierce, Harold G. | Author | |
| Year | 1992 (July) | Volume | 66 |
| Issue | 4 | ||
| Publisher | Cambridge University Press (CUP) | ||
| DOI | doi:10.1017/s0022336000024471Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 415623 | Long-form Identifier | mindat:1:5:415623:3 |
| GUID | 0 | ||
| Full Reference | Pierce, Harold G. (1992) The nonmarine mollusks of the Late Oligocene–Early Miocene Cabbage Patch fauna of western Montana. II. Terrestrial gastropod families other than Pupillidae (Pulmonata: Stylommatophora) Journal of Paleontology, 66 (4) 610-620 doi:10.1017/s0022336000024471 | ||
| Plain Text | Pierce, Harold G. (1992) The nonmarine mollusks of the Late Oligocene–Early Miocene Cabbage Patch fauna of western Montana. II. Terrestrial gastropod families other than Pupillidae (Pulmonata: Stylommatophora) Journal of Paleontology, 66 (4) 610-620 doi:10.1017/s0022336000024471 | ||
| In | (1992, July) Journal of Paleontology Vol. 66 (4) Cambridge University Press (CUP) | ||
| Abstract/Notes | The remaining terrestrial gastropod fauna of the late Oligocene–early Miocene Cabbage Patch beds of western Montana is composed of nine new species, all from extant genera now occurring in the western United States: Vallonia berryi, [Succineidae] montana, Nesovitrea pulchra, Deroceras securis, D. mahiz, Punctum alveus, Polygyroidea montivaga, Oreohelix brandi, and Monadenia? n. sp. A, which is described from neanic material. All except the Monadenia? represent first occurrences of the respective genus in North America. The terrestrial fauna suggests that climatic and environmental conditions during the late Oligocene–early Miocene interval must have been very similar to those of the present. Two sizes of gastropod eggs, attributed to P. montivaga and V. berryi, were found at one locality. Monadenia? n. sp. A is of limited use, due to rarity, as an index fossil for the upper Cabbage Patch beds. | ||
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