Aquatic birds from the Upper Cretaceous (Lower Campanian) of Sweden and the biology and distribution of hesperornithiforms

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Aquatic birds from the Upper Cretaceous (Lower Campanian) of Sweden and the biology and distribution of hesperornithiforms. / Rees, Jan; Lindgren, Johan.

I: Palaeontology, Vol. 48, Nr. 6, 2005, s. 1321-1329.

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TY - JOUR

T1 - Aquatic birds from the Upper Cretaceous (Lower Campanian) of Sweden and the biology and distribution of hesperornithiforms

AU - Rees, Jan

AU - Lindgren, Johan

PY - 2005

Y1 - 2005

N2 - Isolated skeletal elements of three hesperornithiform taxa are recorded from marine strata of latest early Campanian (sensu germanico) age in the Kristianstad Basin, southern Sweden. The material comprises Hesperornis rossicus Nessov and Yarkov, one of the largest Mesozoic aquatic birds known to date, Hesperornis sp. and Baptornis sp. The holotype (a dorsal vertebra) of Parascaniornis stensioei Lambrecht is re-examined, and the nominal species is here considered as a nomen dubium because no diagnostic features can be found that separate the type from dorsals of Baptornis advenus. The distribution and palaeobiology of hesperornithiforms are reviewed.

AB - Isolated skeletal elements of three hesperornithiform taxa are recorded from marine strata of latest early Campanian (sensu germanico) age in the Kristianstad Basin, southern Sweden. The material comprises Hesperornis rossicus Nessov and Yarkov, one of the largest Mesozoic aquatic birds known to date, Hesperornis sp. and Baptornis sp. The holotype (a dorsal vertebra) of Parascaniornis stensioei Lambrecht is re-examined, and the nominal species is here considered as a nomen dubium because no diagnostic features can be found that separate the type from dorsals of Baptornis advenus. The distribution and palaeobiology of hesperornithiforms are reviewed.

KW - Cretaceous

KW - Sweden

KW - Campanian

KW - Baptornis

KW - Hesperornis

KW - birds

KW - Hesperornithiformes

U2 - 10.1111/j.1475-4983.2005.00507.x

DO - 10.1111/j.1475-4983.2005.00507.x

M3 - Article

VL - 48

SP - 1321

EP - 1329

JO - Palaeontology

T2 - Palaeontology

JF - Palaeontology

SN - 1475-4983

IS - 6

ER -