Shiriya, Locality 2 (Pleistocene of Japan)

Where: Aomori, Japan (41.4° N, 141.4° E: paleocoordinates 41.4° N, 141.4° E)

• coordinate estimated from map

When: Middle Pleistocene (0.8 - 0.1 Ma)

• No direct dating is available for the fossil localities, but the occurrence of marine vertebrates and the inclusion of marine-originated sediments indicate that the fossil-bearing layers had been deposited near the past sea level (Nakajima and Kuwano 1957; Nakajima 1958; Hasegawa et al. 1988). Therefore, the localities can be correlated to certain marine terrace surfaces; Loc. 2 (70–80 m above sea level) can be correlated to the Toei surface (65–80 m; MIS 9).

Environment/lithology: fissure fill; lithology not reported

Size class: macrofossils

Primary reference: Y. Hasegawa, Y. Tomida, N. Kohno, K. Ono, H. Nokariya and T. Uyeno. 1988. Quaternary vertebrates from Shiriya area, Shimokita Pininsula, northeastern Japan. Memoirs of the National Science Museum 21:17-36 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 101897: authorized by Mark Uhen, entered by Mark Uhen on 05.01.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Anseriformes - Anatidae
Histrionicus histrionicus4 Linnaeus 1758 harlequin duck
Anas cf. platyrhynchos4 Linnaeus 1758 mallard
Melanitta fusca4 Linnaeus 1758 velvet scoter
Shiriyanetta hasegawai1 Watanabe and Matsuoka 2015 seaduck
Clangula hyemalis4 Linnaeus 1758 long-tailed duck
 Podicipediformes - Podicipedidae
Podiceps sp.4 Latham 1787 grebe
Podiceps cristatus or grisegena
 Suliformes - Phalacrocoracidae
Phalacrocorax pelagicus4 Pallas 1811 pelagic cormorant
 Procellariiformes - Procellariidae
Puffinus cf. nativitatis4, "Puffinus griseus" = Ardenna grisea4
Puffinus cf. nativitatis4 Streets 1877 Christmas shearwater
"Puffinus griseus" = Ardenna grisea4 Gmelin 1789 sooty shearwater
 Procellariiformes - Diomedeidae
Phoebastria cf. albatrus4 Pallas 1769 short-tailed albatross
 Charadriiformes - Alcoidae
Cepphus columba4 Pallas 1811 pigeon guillemot
Aethia cristatella4 Pallas 1769 crested auklet
Fraterculini indet.4 Storer 1960 auk
Uria onoi n. sp.2 Watanabe et al. 2016 auk
? Mancalla sp.4 Lucas 1901 auk
 Accipitriformes - Accipitridae
Haliaeetus sp.3 Savigny 1809 hawk
Mammalia
 Placentalia -
Cetacea indet. Brisson 1762 whale
 Artiodactyla - Bovidae
Bison sp. Hamilton-Smith 1827 bison
Capricornis crispus Temminck 1845 antelope
 Artiodactyla - Cervidae
 Carnivora - Phocidae
Phoca cf. vitulina Linnaeus 1758 harbor seal
Phoca cf. largha Pallas 1811 seal
 Carnivora - Otariidae
Zalophus californianus Lesson 1828 California sea lion
Eumetopias jubatus Schreber 1776 Steller sea lion
Callorhinus ursinus Linnaeus 1758 northern fur seal
 Carnivora - Ursidae
Ursus arctos Linnaeus 1758 brown bear
 Carnivora - Mustelidae
Mustela sp. Linnaeus 1758 weasel
 Carnivora - Canidae
Canis lupus Linnaeus 1758 gray wolf
 Carnivora - Felidae
Panthera tigris Linnaeus 1758 tiger
 Theriamorpha - Talpidae
Mogera wogura Temminck 1842 Japanese mole
Urotrichus talpoides Temminck 1841 Japanese shrew mole
 Theriamorpha - Soricidae
Sorex shinto long-tailed shrew
Crocidura dsinezumi white-toothed shrew
 Lagomorpha - Leporidae
cf. Lepus sp. Linnaeus 1758 hare
 Rodentia - Muridae
Apodemus speciosus Eurasian field mouse
 Rodentia - Cricetidae
"Clethrionomys rufocanus" = Myodes, Microtus sp.
"Clethrionomys rufocanus" = Myodes vole
Microtus sp. Schrank 1798 vole