Náttúrufræðingurinn - 2001, Síða 31

1995. ísaldarlok í Hvammsfirði. í: EyjaríEld-
hafi (ritstj. Bjöm Hróarsson, Dagur Jónsson &
Sigurður S. Jónsson). Gott mál, Reykjavík.
Bls. 117-131.
Ingimar Óskarsson 1973. Nokkrar fágætar
skeldýrategundir við ísland. Náttúru-
fræðingurinn43. 154-161.
Johansen, A.C. 1901. On the variations observ-
able in some northern species of Littorina.
Videnskabelige Meddelelser fra Dansk
naturhistorisk Forening i Kjpbenhavn 53.
295-307.
Jón Eiríksson, Leifur A. Símonarson, Knudsen,
K.L. & Kristensen, P. 1997. Fluctuations of
the Weichselian ice sheet in SW Iceland: A
glaciomarine sequence from Sudurnes,
Seltjarnarnes. Quatemary Science Reviews 16
(2). 221-240.
Kellog, T.B.1980. Paleoclimatology and paleo-
oceanography of the Norwegian and Green-
land Seas. Glacial-interglacial contrasts.
Boreas 9 (2). 115-137.
Knipowitsch, N. 1900. Uber die postpliocaenen
Mollusken und Brachiopoden von Spitz-
bergen. Bulletin d’Académie Impériale des
Sciences de St. Pétersbourg 12. 377-386.
Kristinn J. Albertsson 1976. K/Ar ages of
Pliocene-Pleistocene glaciations in Iceland
with special reference to the Tjörnes se-
quence, northem Iceland. Óbirt doktors-
ritgerð. Cambridge University, Cambridge.
268 bls.
Kristinn J. Albertsson 1978. Um aldurjarðlaga á
Tjörnesi. Náttúrufræðingurinn 48. 1-8.
Leifur A. Símonarson 1981. Cerastoderma
edule (Linné, 1767) and its migration to Ice-
land. Arctic and Alpine Research 13(1). 105-
112.
Leifur A. Símonarson, Petersen, K.S. & Funder,
S. 1998. Molluscan palaeontology of the
Pliocene-Pleistocene Kap Kpbenhavn Forma-
tion, North Greenland. Meddelelser om
Grpnland. Geoscience 36. 103 bls.
Marincovich, L. Jr. 2000. Central American
paleogeography controlled Pliocene Arctic
Ocean molluscan migrations. Geology 28(6).
551-554.
Marincovich, L. Jr. & Gladenkov, A.Y. 1999.
Evidence for an early opening of the Bering
Strait. Nature 397. 149-151.
Merklin, R.L., Zarkhidze, V.S. & Ilina, L.B.
1979. Opredelitel inorskikh Pliosen-Pleisto-
senovykh mollyuskov severo-vostoka evro-
peiskoi chasti SSSR. [A descriptive catalogue
of Pliocene-Pleistocene mollusc of the north-
east region of European USSRJ. Trudy pal-
eontologicheskogo Instituta, Academiya
Nauk SSSR 173. 1-96 (á rússnesku).
Mohr, N. 1786. Forspg til en Islandsk
Naturhistorie, med adskillige oekonomiske
samt andre Anmærkninger. Holm, Kipben-
havn. 413 bls.
Mprch, O.A.L. 1868. Faunula Molluscorum
Islandiae. Videnskabelige Meddelelser fra den
naturhistoriske Forening í Kjpbenhavn 20.
185-227.
Mprch, O.A.L. 1871. On the mollusca of the
Crag-Formation of Iceland. Geological Maga-
zine 8(9). 391-400.
Norton, P.E.P. 1975. Paleoecology of the Mol-
lusca of the Tjörnes sequence, Iceland. Boreas
4(2). 97-110.
Ólöf E. Leifsdóttir 1999. ísaldarlög á norðan-
verðu Snæfellsnesi. Setlög og skeldýrafánur.
Óbirt MS-ritgerð. Háskóli Islands, Reykjavík.
101 bls.
Ólöf E. Leifsdóttir & Leifur A. Símonarson
1999. Nákuðungslög á Stokkseyri og
Eyrarbakka. Náttúrufræðingurinn 68. 209-
224.
Poulsen, C.M. 1884. On the fossil Crag molluscs
of the Tjörnes. Óbirt handrit í bókasafni
jarðfræðistofnunar Háskólans í Kaupmanna-
höfn.
Reid, D.G. 1996. Systematics and evolution of
Littorina. The Ray Society, London. 463 bls.
Sandison, E.E. 1967. Respiratory response to
temperature and temperature tolerance of
some intertidal gastropods. Journal of experi-
mental marine Biology and Ecology 1. 271-
281.
Schlesch, H. 1924. Zur Kenntnis der pliociinen
Cragformation von Hallbjarnarstadur, Tjör-
nes, Nordisland und ihrer Molluskenfauna.
Abhandlungen des Archivs fur Mollusken-
kunde 1. 309-370.
Shackleton, N.J., Backman, J., Zimmerman, H.,
Kent, D.V., Hall, M.A., Roberts, D.G.,
Schnitker, D., Baldauf, J.G., Desprairies, A.,
Homrighausen, R., Huddlestun, P., Keene,
J.B., Kaltenback, A.J., Krumsick, K.A.O.,
Morton, A.C., Murray, J.W. & Westberg-
Smith, J. 1984. Oxygen isotope calibration of
the onset of ice-rafting and history of glacia-
tion in the North Atlantic region. Nature 307.
620-623.
Spaink, G. 1975. Zonering van het mariene Onder-
Pleistoceen en Plioceen op grond van mollusken-
fauna’s. í: Toelichting bij geologische over-
zichtskaarten van Nederland (ritstj. W.H.
Zagwijn & C.V. van Staalduinen). Rikjs
geologische Dienst, Haarlem. Bls. 118-122.
109