Lower Snatolskaya Fm. (Eocene to of Russian Federation)

Where: Kamchatka, Russian Federation (58.5° N, 159.0° E: paleocoordinates 63.0° N, 160.2° E)

• coordinate stated in text

• local area-level geographic resolution

When: lower Member (Snatolskaya Formation), Lutetian to Lutetian (47.8 - 38.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: delta front; lithified, fine-grained, medium sandstone

• shallow-marine medium to fine grained laterally continuous sandstones with abundant delta front deposits

Size class: macrofossils

Preservation: original aragonite

Collection methods: surface (in situ), mechanical,

• gastropods only

Primary reference: A. E. Oleinik. 2001. Eocene gastropods of western Kamchatka - implications for high-latitude north Pacific biostratigraphy and biogeography. Palaeogeography, Palaeoclimatology, Palaeoecology 166:121-140 [L. Ivany/L. Ivany/L. Ivany]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7275: authorized by Linda Ivany, entered by Elizabeth Kowalski on 22.05.2000, edited by Linda Ivany

Creative Commons license: CC BY (attribution)

Taxonomic list

• gastropods only
 Ptenoglossa - Epitoniidae
Epitonium (Boreoscala) sp. Kobelt 1905 wentletrap
 Patellogastropoda - Lottiidae
Acmaea (Acmaea) sp. Eschscholtz 1830 limpet
  - Siphonaliidae
 Opisthobranchia - Cylichnidae
Scaphander (Mirascapha) alaskensis, "Scaphander (Mirascapha) costatus" = Scaphander costatus
"Scaphander (Mirascapha) costatus" = Scaphander costatus Gabb 1864 snail
 Neogastropoda - Olividae
Olivella mathewsonii Gabb 1864 olive snail
 Neogastropoda - Perissityidae
 Neogastropoda - Buccinidae
 Neogastropoda - Nassariidae
 Neogastropoda - Fasciolariidae
 Neogastropoda - Cancellariidae
"Cancellaria (Bivetiella) snatolensis" = Bivetiella
"Cancellaria (Bivetiella) snatolensis" = Bivetiella snail
 Neogastropoda - Volutidae
Fulgoraria (Psephaea) sp. Crosse 1871 volute
 Neogastropoda - Costellariidae
Conomitra ovriensis ribbed mitre
 Neogastropoda - Ptychatractidae
Exilia bentsonae Hickman 1980 snail
 Neogastropoda - Cochlespiridae
Apiotoma sp. Cossmann 1889 snail
 Neogastropoda - Turridae
 Neogastropoda - Conidae
Conus sp. Linnaeus 1758 cone shell
 Ficoidea - Ficidae
Ficopsis tuberculata Oleinik 1991 fig shell
Ficopsis meganosensis Clark and Woodford 1927 fig shell
 Naticoidea - Naticidae
 Calyptraeoidea - Calyptraeidae
Calyptraea diegoana Conrad 1855 slipper shell
Crepidula tigilensis slipper shell
 Calyptraeoidea - Trichotropidae
"Crepidula pileum" = Spirocrypta pileum
"Crepidula pileum" = Spirocrypta pileum Gabb 1864 snail
 Sorbeoconcha - Turritellidae
 Heterostropha - Acteonidae
Acteon (Acteon) sp. Montfort 1810 snail
Acteon (Acteon) microspiralis Oleinik 1991 snail
 Pyramidelloidea - Pyramidellidae
 Fissurelloidea - Fissurellidae
Diodora sp. Gray 1821 snail
Puncturella ? sp. Lowe 1827 puncturella
 Trochoidea - Trochidae