Ludwigskanal cutting, bed 4 (Jurassic of Germany)

Where: Germany (49.4° N, 11.4° E: paleocoordinates 38.8° N, 18.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Amaltheenton Formation, Spinatum (189.6 - 183.0 Ma)

• "Delta-fossil bed" (Hawskerense subzone)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, gray, blue, calcareous claystone

• Bluish-grey, fissile, calcareous claystone to argillaceous marl. Lower part of the bed with reworked bluish-grey marlstone concretions with borings and serpulid tubes.

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Museum and Collection of the Geoscience Centre, University of Göttingen (GZG)

Primary reference: G. Arp, S. Gropengießer, C. Schulbert, D. Jung, and A. Reimer. 2021. Biostratigraphy and sequence stratigraphy of the Toarcian Ludwigskanal section (Franconian Alb, Southern Germany). Zitteliana 95:57-94 [M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 228498: authorized by Matthew Clapham, entered by Matthew Clapham on 11.12.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Millericrinida -
Amaltheocrinus sp. Klikushin 1984 Sea lily
Rhynchonellata
 Rhynchonellida -
Gastropoda
 Archaeogastropoda -
 Pleurotomarioidea - Pleurotomariidae
Pleurotomaria amalthei Quenstedt 1858 snail
 Murchisoniina - Zygopleuridae
Levipleura blainvillei Munster 1844 snail
Cephalopoda
 Belemnitida - Passaloteuthididae
 Ammonitida - Liparoceratidae
Pleuroceras spinatum Bruguière 1789 ammonite
Amaltheus sp. de Montfort 1808 ammonite
Bivalvia
 Pectinida - Pectinoidae
Eopecten velatus Goldfuss 1833 scallop
Pseudopecten equivalvis Sowerby 1816 scallop
 Pectinida - Limidae
Pseudolimea sp. Douglas and Arkell 1932 file clam
 Pectinida - Plicatulidae
 Pectinida - Oxytomidae
"Oxytoma inaequivalvis" = Oxytoma inequivalvis, "Palmoxytoma cygnipes" = Oxytoma (Palmoxytoma) cygnipes
"Oxytoma inaequivalvis" = Oxytoma inequivalvis Sowerby 1819 scallop
"Palmoxytoma cygnipes" = Oxytoma (Palmoxytoma) cygnipes Young and Bird 1822 scallop
 Myalinida - Inoceramidae
Pseudomytiloides sp. Koschelkina 1963 clam
 Pterioida - Prospondylidea
 Carditida - Astartidae
 Lucinida - Mactromyidae
Mactromya sp. Agassiz 1843 clam
 Nuculanida - Malletiidae
Palaeoneilo elliptica Goldfuss 1837 clam
 Nuculanida - Polidevciidae
Ryderia doris d'Orbigny 1849 clam