West of Lakse Elv, Bed 1 (Jurassic of Greenland)

Where: Greenland (70.5° N, 22.7° W: paleocoordinates 52.1° N, 5.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cape Stewart Beds Formation, Pliensbachian (190.8 - 182.7 Ma)

• "Charmouthian"

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, coarse-grained, shelly/skeletal, gray, calcareous sandstone

• hard bed of a dark-grey, coarse arkose limy sandstone witha greenish lustre and cracks filled with calcite. [large shell accumulations on the bedding planes]

Size class: macrofossils

Collected by A. Rosenkrantz in September, 1926

• Repository: (presumed) University of Coppenhagen

Primary reference: A. Rosenkrantz. 1934. The Lower Jurassic Rocks of East Greenland Part 1. Meddelelser Om Gronland 110(1):4-122 [M. Clapham/M. Manojlovic/M. Manojlovic]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 161968: authorized by Matthew Clapham, entered by Marko Manojlovic on 16.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Ptychomphaloidea - Ptychomphalidae
Ptychomphalus sp.
Ptychomphalus sp. Agassiz 1839 snail
Ptychomphalus n. sp.
Bivalvia
 Pholadomyida - Pholadomyidae
Arcomya aff. pelea
 Cardiida - Tancrediidae
Tancredia johnstrupi
 Pholadida - Pleuromyidae
Pleuromya costata
 Pholadida - Ceratomyidae
Gresslya lunulata
 Lucinida - Mactromyidae
Mactromya groenlandica
Mactromya groenlandica Rosenkrantz 1934 clam
 Carditida - Carditidae
Venericardia aff. liasina
Venericardia aff. liasina clam
Venericardia ? aff. liasina
 Carditida - Astartidae
Astarte ? seanensis, Astarte wandeli
Astarte wandeli Lundgren 1895 clam
 Carditida - Cardiniidae
Cardinia aff. attenuata
 Trigoniida - Trigoniidae
"Trigonia lingonensis" = Liotrigonia lingonensis
"Trigonia lingonensis" = Liotrigonia lingonensis Dumortier 1869 clam
 Ostreida - Malleidae
Isognomon sp., Isognomon aff. infraliassica
Isognomon sp. Lightfoot 1786 oyster
Isognomon n. sp.
 Ostreida - Pinnidae
Pinna cf. folium
Pinna cf. folium Young and Bird 1822 oyster
 Ostreida - Gryphaeidae
Gryphaea cymbium, Gryphaea arcuata, Liostrea irregularis
Gryphaea cymbium Lamarck 1819 oyster
Gryphaea arcuata Lamarck 1801 oyster
 Pectinida - Pectinoidae
"Aequipecten priscus" = Pecten priscus, Aequipecten aequivalvis, Chlamys cf. textoria, Chlamys substriata
"Aequipecten priscus" = Pecten priscus Schlotheim 1820 scallop
Chlamys cf. textoria Schlotheim 1820 scallop
Chlamys substriata Roemer 1835 scallop
Chlamys substriata rinki
 Pectinida - Entoliidae
Entolium callosum
Entolium callosum Lundgren 1895 scallop
 Pectinida - Plicatulidae
Plicatula pectinoides, Plicatula cf. laevigata
 Pectinida - Anomiidae
Placunopsis minuta
Placunopsis minuta Lundgren 1895 scallop
 Pectinida - Oxytomidae
Oxytoma sp., "Oxytoma inaequivalve" = Oxytoma inequivalvis
Oxytoma sp. Meek and Hayden 1865 scallop
Oxytoma n. sp.
"Oxytoma inaequivalve" = Oxytoma inequivalvis Sowerby 1819 scallop
 Pectinida - Limidae
Lima (Pseudolimea) boonei, Lima succincta, "Lima (Plagiostoma) eucharis" = Plagiostoma, "Lima (Plagiostoma) punctata" = Plagiostoma punctata
Lima succincta Dumortier 1867 file clam
"Lima (Plagiostoma) eucharis" = Plagiostoma file clam
"Lima (Plagiostoma) punctata" = Plagiostoma punctata Sowerby 1818 file clam
Rhynchonellata
 Rhynchonellida - Tetrarhynchiidae
Grandirhynchia sp., Grandirhynchia elii n. sp.
Grandirhynchia sp. Buckman 1917
Grandirhynchia n. sp.
Grandirhynchia elii n. sp. Rosenkrantz 1934
 Spiriferinida - Spiriferinidae
Spiriferina muensteri