Åsen (Cretaceous of Sweden)

Also known as Asen

Where: Skåne, Sweden (56.1° N, 14.5° E: paleocoordinates 46.6° N, 14.5° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Belemnellocamax mammillatus ammonoid zone, Early/Lower Campanian (83.5 - 70.6 Ma)

• from two beds in lower part (1 m) of section; the "marine sand unit"; latest Early Campanian

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; unlithified, shelly/skeletal, calcareous sandstone and unlithified, coarse-grained, shelly/skeletal, green sandstone

• shallow water marine storm deposit
• small tooth from "highly calcareous quartz sand with extremely abundant and well-preserved belemnite guards and articulated oysters" from uppermost 0.5 m of uppermost part of sequence; remainder from "a mottled, 10-cm thick storm deposit comprising greenish, coarse quartz sand mixed with fragmented oysters, belemnites and common vertebrate remains."

Size classes: macrofossils, mesofossils

Collected in 1990s, 2001, 2010

Collection methods: bulk, quarrying, chemical,

Primary reference: M. Siverson. 1992. Late Cretaceous Paraorthacodus (Palaeospinacidae, Neoselachii) from Sweden. Journal of Paleontology 66:994-1001 [M. Clapham/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 74334: authorized by Matthew Carrano, entered by Matthew Carrano on 02.08.2007, edited by Philip Mannion, Jonathan Tennant and Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Gnathostomata
  -
Osteichthyes indet.2 bony fish
coprolite morphotype 5
Actinopteri
 Teleostei -
Teleostei indet.1 Müller 1846
 Aulopiformes - Enchodontidae
Enchodus sp.1 Agassiz 1835
 Ichthyodectiformes - Ichthyodectidae
 Crossognathiformes - Pachyrhizodontidae
cf. Pachyrhizodus sp.1 Agassiz 1850
 Pachycormiformes - Pachycormidae
Protosphyraena sp.1 Leidy 1857
 Pycnodontiformes - Pycnodontidae
Pycnodontidae indet.1 Agassiz 1833
Anomoeodus subclavatus1 Agassiz 1833
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.1 Cuvier 1825 gar
Reptilia
 Squamata - Mosasauridae
"Halisaurus sternbergi" = Eonatator sternbergii7 Wiman 1920 mosasaur
58 teeth (RM PZ R1811-1819; 49 unnumbered) and one caudal vertebra (RM PZ R1810)
Tylosaurus ivoensis5 Russell 1967 mosasaur
Hainosaurus sp.3 Dollo 1885 mosasaur
Clidastes propython6 Cope 1869 mosasaur
100 marginal teeth (LO 8231t, 8232t and 86 unnumbered, Lund University; RM PZ R1776, 1777, 1794–1803), 13 pterygoid teeth (RM PZ R1804, 1805; 11 unnumbered, Lund University), four cervical vertebrae (RM PZ R1778, 1779, 1782, 1789), six cervical-dorsal vertebrae (RM PZ R1783–1788), two dorsal vertebrae (RM PZ R1780, 1781) and 11 caudal vertebrae (RM PZ R1806–1816)
"Dollosaurus sp." = Prognathodon13 Dollo 1889 mosasaur
7 unnumbered teeth, Lund University
? Platecarpus sp.13 Cope 1869 mosasaur
 Testudines -
"Chelonia indet." = Testudines13
"Chelonia indet." = Testudines13 Batsch 1788 turtle
 Plesiosauria - Elasmosauridae
Scanisaurus sp.13 Persson 1960 elasmosaur
 Ornithischia - Leptoceratopsidae
Leptoceratopsidae indet.4 Nopcsa 1923 leptoceratopsid
RM PZ R1827-R1834; LO 12044t, right manual phalanx
 Ornithischia -
Ornithopoda indet.8 Marsh 1881 ornithopod
LO 12045t, left pedal phalanx; LO 12046t, left pedal phalanx
Chondrichthyes
 Synechodontiformes - Paraorthacodontidae
Paraorthacodus conicus Davis 1890 elasmobranch
Paraorthacodus andersoni Case 1978 elasmobranch
 Synechodontiformes - Palaeospinacidae
Synechodus "sp. 1"13 Woodward 1888 elasmobranch
Synechodus "sp. 2"13 Woodward 1888 elasmobranch
Synechodus filipi n. sp.11 Siversson et al. 2015 elasmobranch
 Batoidea -
 Selachii -
Selachii indet.2 shark
coprolite morphotypes 3, 4
 Heterodontiformes - Heterodontidae
Heterodontus "sp. 1"13 de Blainville 1816 bullhead shark
Heterodontus "sp. 2"13 de Blainville 1816 bullhead shark
 Squatiniformes - Squatinidae
Squatina spp.13 Dumeril 1806 angel shark
Squatina (Squatina) lundegreni n. sp.11 Siversson et al. 2015 angel shark
Squatina (Squatina) fortemordeo n. sp.11 Siversson et al. 2015 angel shark
 Squaliformes - Squalidae
Squalidae spp.13 Bonaparte 1834 dogfish shark
 Lamniformes - Otodontidae
Cretalamna sarcoportheta n. sp.12, "Cretalamna borealis" = Cretolamna borealis12
Cretalamna sarcoportheta n. sp.12 Siversson et al. 2015 mackerel shark
"Cretalamna borealis" = Cretolamna borealis12 Priem 1897 mackerel shark
Part of C. appendiculata in Siverson, 1992
 Lamniformes - Archaeolamnidae
Archaeolamna kopingensis9 Davis 1890 mackerel shark
 Lamniformes - Serratolamnidae
Serratolamna sp.13 Landemaine 1991 mackerel shark
 Lamniformes - Anacoracidae
Squalicorax kaupi9 Agassiz 1843 crow shark
 Lamniformes - Mitsukurinidae
Anomotodon hermani9 Siverson 1992 goblin shark
Scapanorhynchus perssoni9 Siverson 1992 goblin shark
 Lamniformes - Alopiidae
Paranomotodon sp.9 Herman 1975 thresher shark
 Lamniformes - Pseudocoracidae
Pseudocorax laevis13 Leriche 1906 mackerel shark
 Lamniformes - Carchariidae
Carcharias tenuis9 Davis 1890 sand shark
Carcharias latus9 Davis 1890 sand shark
Carcharias aasenensis9 Siverson 1992 sand shark
 Lamniformes - Pseudoscapanorhynchidae
"Cretodus borodini" = Protolamna borodini9
"Cretodus borodini" = Protolamna borodini9 Cappetta and Case 1975 mackerel shark
 Orectolobiformes - Parascylliidae
Pararhincodon spp.13 Herman 1975 collared carpetshark
 Orectolobiformes - Hemiscylliidae
Chiloscyllium sp.13 Müller and Henle 1837 carpet shark
Hemiscyllium hermani13 Müller 1989 carpet shark
 Orectolobiformes - Orectolobidae
Cretorectolobus sp.13 Case 1978 wobbegong
Cederstroemia nilsi n. sp.10 Siverson 1995 wobbegong
 Carcharhiniformes - Scyliorhinidae
Scyliorhinidae "sp. 1"13, "Scyliorhinus germanicus" = Crassescyliorhinus germanicus13
Scyliorhinidae "sp. 1"13 Gill 1862 cat shark
"Scyliorhinus germanicus" = Crassescyliorhinus germanicus13 Herman 1982 cat shark
Listed as ‘Scyliorhinus’ germanicus
 Carcharhiniformes - Triakidae
Galeorhinus sp.13 de Blainville and Prévost 1816 school shark
? Paratriakis sp.13 hound shark
Palaeogaleus sp.13 Gurr 1963 hound shark
 Rajiformes -
Squatirhina sp.13 Casier 1947 ray
 Rajiformes - Rhinobatidae
Rhinobatos "sp. 1"13 Link 1790 guitarfish
Rhinobatos "sp. 2"13 Link 1790 guitarfish
Rhinobatos "sp. 3"13 Link 1790 guitarfish
Rhinobatos casieri13 Herman 1977 guitarfish
 Hybodontiformes - Polyacrodontidae
Polyacrodus siversoni13 elasmobranch
Polyacrodus sp.13 Jaekel 1889 elasmobranch
 Hybodontiformes - Hybodontidae
Hybodus sp.13 Agassiz 1834 elasmobranch
Cephalopoda
 Belemnitida - Belemnitellidae
Belemnitella mucronata5 Schlotheim 1813 belemnite
 Belemnitida -
Bivalvia
 Ostreida - Ostreidae
Ostreidae indet.4 Rafinesque 1815 oyster