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

Cephalopoda
 Belemnitida -
 Belemnitida - Belemnitellidae
Belemnitella mucronata5 Schlotheim 1813 belemnite
Bivalvia
 Ostreida - Ostreidae
Ostreidae indet.4 Rafinesque 1815 oyster
Chondrichthyes
 Hybodontiformes - Polyacrodontidae
Polyacrodus siversoni13 elasmobranch
Polyacrodus sp.13 Jaekel 1889 elasmobranch
 Hybodontiformes - Hybodontidae
Hybodus sp.13 Agassiz 1834 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
 Synechodontiformes - Paraorthacodontidae
Paraorthacodus andersoni Case 1978 elasmobranch
Paraorthacodus conicus Davis 1890 elasmobranch
 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
 Batoidea -
 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
 Carcharhiniformes - Triakidae
Palaeogaleus sp.13 Gurr 1963 hound shark
? Paratriakis sp.13 hound shark
Galeorhinus sp.13 de Blainville and Prévost 1816 school shark
 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
 Orectolobiformes - Parascylliidae
Pararhincodon spp.13 Herman 1975 collared carpetshark
 Orectolobiformes - Orectolobidae
Cederstroemia nilsi n. sp.10 Siverson 1995 wobbegong
Cretorectolobus sp.13 Case 1978 wobbegong
 Orectolobiformes - Hemiscylliidae
Chiloscyllium sp.13 Müller and Henle 1837 carpet shark
Hemiscyllium hermani13 Müller 1989 carpet shark
 Lamniformes - Carchariidae
Carcharias latus9 Davis 1890 sand shark
Carcharias aasenensis9 Siverson 1992 sand shark
Carcharias tenuis9 Davis 1890 sand shark
 Lamniformes - Serratolamnidae
Serratolamna sp.13 Landemaine 1991 mackerel shark
 Lamniformes - Anacoracidae
Squalicorax kaupi9 Agassiz 1843 crow shark
 Lamniformes - Pseudocoracidae
Pseudocorax laevis13 Leriche 1906 mackerel shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus perssoni9 Siverson 1992 goblin shark
Anomotodon hermani9 Siverson 1992 goblin shark
 Lamniformes - Archaeolamnidae
Archaeolamna kopingensis9 Davis 1890 mackerel shark
 Lamniformes - Alopiidae
Paranomotodon sp.9 Herman 1975 thresher shark
 Lamniformes - Pseudoscapanorhynchidae
"Cretodus borodini" = Protolamna borodini9
"Cretodus borodini" = Protolamna borodini9 Cappetta and Case 1975 mackerel 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
Gnathostomata
  -
Osteichthyes indet.2 bony fish
coprolite morphotype 5
Reptilia
 Testudines -
"Chelonia indet." = Testudines13
"Chelonia indet." = Testudines13 Batsch 1788 turtle
 Squamata - Mosasauridae
"Halisaurus sternbergi" = Eonatator sternbergii7 Wiman 1920 mosasaur
58 teeth (RM PZ R1811-1819; 49 unnumbered) and one caudal vertebra (RM PZ R1810)
? Platecarpus sp.13 Cope 1869 mosasaur
Tylosaurus ivoensis5 Russell 1967 mosasaur
Hainosaurus sp.3 Dollo 1885 mosasaur
"Dollosaurus sp." = Prognathodon13 Dollo 1889 mosasaur
7 unnumbered teeth, Lund University
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)
 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
 Plesiosauria - Elasmosauridae
Scanisaurus sp.13 Persson 1960 elasmosaur
Actinopteri
 Pycnodontiformes - Pycnodontidae
Pycnodontidae indet.1 Agassiz 1833
Anomoeodus subclavatus1 Agassiz 1833
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.1 Cuvier 1825 gar
 Pachycormiformes - Pachycormidae
Protosphyraena sp.1 Leidy 1857
 Teleostei -
Teleostei indet.1 Müller 1846
 Crossognathiformes - Pachyrhizodontidae
cf. Pachyrhizodus sp.1 Agassiz 1850
 Aulopiformes - Enchodontidae
Enchodus sp.1 Agassiz 1835
 Ichthyodectiformes - Ichthyodectidae