Limhamn Quarry Upper Middle Danian Horizons (Paleocene of Sweden)

Also known as Annetorp

Where: Sweden (55.6° N, 12.9° E: paleocoordinates 48.9° N, 10.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: NP3 nannofossil zone, Danian (66.0 - 61.6 Ma)

• overall section spans "NP1-middle NP3" but all of these fossils are from the Middle Danian, and mostly upper Middle Danian, part

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; poorly lithified, shelly/skeletal grainstone

• "inner shelf"
• general lithology of the section is "bryozoan limestones and calcisiltites"

Size class: microfossils

Preservation: replaced with phosphate

Collected by A. F. Carlsson, P. Cederström

Collection methods: chemical, acetic,

• "treated with buffered acetic acid in order to remove adhering carbonates"

•not bulk collected

•Lund Original and Swedish Museum of Natural History collections

Primary reference: M. Siverson. 1995. Revision of the Danian cow sharks, sand tiger sharks, and goblin sharks (Hexanchidae, Odontaspididae, and Mitsukurinidae) from southern Sweden. Journal of Vertebrate Paleontology 15(1):1-12 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90576: authorized by John Alroy, entered by John Alroy on 07.08.2009, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

• includes material originally described by Davis (1890)
Chondrichthyes
 Hexanchiformes - Hexanchidae
Heptranchias sp. Rafinesque 1810 sevengill shark
Hexanchus sp. Rafinesque 1810 sixgill shark
Notorhynchus sp. Ayres 1855 sevengill shark
Notidanodon brotzeni n. sp. cow shark
 Lamniformes - Odontaspididae
Odontaspis speyeri sand tiger shark
 Lamniformes - Carchariidae
Carcharias aff. tenuis Davis 1890 sand shark
Carcharias gracilis Davis 1890 sand shark
 Lamniformes - Mitsukurinidae
Reptilia
 Crocodylia - Gavialidae
"Thoracosaurus scanicus n. sp." = Thoracosaurus macrorhynchus
"Thoracosaurus scanicus n. sp." = Thoracosaurus macrorhynchus de Blainville 1855 crocodilian
Type (skull, mandible, and associated postcranial remains)