Lepidurus unit, Hälludden cliff section (Ordovician of Sweden)

Where: Kalmar, Sweden (57.4° N, 17.1° E: paleocoordinates 39.4° S, 9.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Didymograptus hirundo graptolite zone, Langevoja limestone Formation, Volkhov (471.8 - 468.1 Ma)

• member-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, gray grainstone and lithified, glauconitic marl

Size classes: macrofossils, mesofossils

Collection methods: bulk, chemical, sieve,

Primary reference: V. Berg-Madsen. 1987. A new cyclocystoid from the Lower Ordovician of Öland, Sweden. Palaeontology 30(1):105-116 [L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99481: authorized by Loic Villier, entered by Loic Villier on 12.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Leperditellocopida - Primitiidae
Primitia sp. Jones and Holl 1923 ostracod
 Beyrichicopida - Ctenonotellidae
Cyclocystoidea
  - Cyclocystoididae
Monocycloides oelandicus n. sp. Berg-Madsen 1987
Conodonta
 Ozarkodinida -
 Prioniodontida - Acodontidae
"Drepanodus arcuatus" = Acodus similaris
"Drepanodus arcuatus" = Acodus similaris Rhodes 1955 conodont
 Prioniodontida - Balognathidae
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus cf. venustus Stauffer 1935 conodont
Drepanoistodus basiovalis Sregeeva 1963 conodont
Paroistodus originalis Sergeeva 1963 conodont
 Protopanderodontida - Protopanderodontidae
Protopanderodus cf. rectus Lindstrom 1955 conodont
 Protopanderodontida - Oneotodontidae
 Protopanderodontida - Cornuodontidae
Cornuodus longibasis Lindström 1955 conodont
 Protopanderodontida - Acanthodontidae