Opanes, Pleven, northwestern Bulgaria (Miocene of Bulgaria)

Where: Bulgaria (43.5° N, 24.6° E: paleocoordinates 42.8° N, 24.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Middle Miocene (16.0 - 11.6 Ma)

• Lower Badenian (Moravian)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified claystone

• bluish-gray calcareous and siltclastic clays, interbedded with lenses and layers of organogeneous limestone, and sometimes bearing sand banks at the base

Size class: macrofossils

Primary reference: S. V. Popov, I. A. Gontsharova, P. I. Nikolov and B. Studencka. 1996. Bivalve Molluscs from the Badenian of Northwestern Bulgaria. Paleontological Journal 30(2):157-166 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 60291: authorized by Wolfgang Kiessling, entered by Uta Merkel on 09.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
  -
 Mytilida - Mytilidae
 Arcida - Glycymerididae
 Arcida - Arcidae
Barbatia (Barbatia) barbata Linnaeus 1758 clam
"Anadara diluvii" = Scapharca (Scapharca) diluvii Lamarck 1805 clam
 Arcida - Limopsidae
"Limopsis (Pectunculina) minuta" = Limopsis
"Limopsis (Pectunculina) minuta" = Limopsis clam
 Ostreida - Ostreidae
"Ostrea digitalina" = Cubitostrea digitalina
"Ostrea digitalina" = Cubitostrea digitalina Eichwald 1830 oyster
 Ostreida - Gryphaeidae
Neopycnodonte navicularis Brocchi 1814 oyster
 Pectinida - Pectinoidae
"Crassadoma multistriata" = Talochlamys multistriata, Pecten (Amusiopecten) spinulosa, Pecten (Gigantopecten) latissimus, "Pecten (Flabellipecten) besseri" = Camptonectes virgatus, "Amusium cristatum" = Cristatopecten cristatum, "Chlamys (Aequipecten) elegans" = Aequipecten, "Chlamys (Aequipecten) jackloweciana" = Aequipecten, Chlamys (Aequipecten) macrotis, "Pecten (Flabellipecten) solarium" = Flabellipecten, "Chlamys (Aequipecten) scabrella" = Chlamys scabrellus, Spondylus gaederopus
"Crassadoma multistriata" = Talochlamys multistriata Poli 1795 scallop
Pecten (Gigantopecten) latissimus scallop
subspecies nodosiformis
"Pecten (Flabellipecten) besseri" = Camptonectes virgatus Nilsson 1827 scallop
"Amusium cristatum" = Cristatopecten cristatum Bronn 1827 scallop
"Chlamys (Aequipecten) elegans" = Aequipecten scallop
subspecies elegans
"Chlamys (Aequipecten) jackloweciana" = Aequipecten scallop
Chlamys (Aequipecten) macrotis Sowerby 1847 scallop
"Pecten (Flabellipecten) solarium" = Flabellipecten scallop
"Chlamys (Aequipecten) scabrella" = Chlamys scabrellus Lamarck 1819 scallop
Spondylus gaederopus Linnaeus 1758 scallop
 Pectinida - Limidae
"Limatula subauriculata" = Lima subauriculata, Limaria tuberculata
"Limatula subauriculata" = Lima subauriculata Montagu 1808 file clam
Limaria tuberculata Olivi 1792 file clam
 Carditida - Crassatellidae
 Carditida - Carditidae
 Lucinida - Lucinidae
Linga (Linga) columbella Lamarck 1818 clam
"Codakia (Epilucina) haidingeri" = Epilucina clam
"Loripes (Microloripes) dentatus" = Lucina (Microloripes) clam
Myrtea spinifera Montagu 1803 clam
"Ctena decussata" = Codakia (Ctena) decussata Costa 1829 clam
 Pholadida - Corbulidae
 Cardiida - Cardiidae
"Parvicardium papillosum" = Plagiocardium (Papillicardium) papillosum Poli 1781 cockle
 Cardiida - Semelidae
Abra (Syndosmya) alba Wood 1802 abra
subspecies alba
 Cardiida - Veneridae
Callista chione Linnaeus 1758 venus clam
Timoclea (Timoclea) ovata Pennant 1777 venus clam
Venus (Ventricoloidea) nux Gmelin 1791 venus clam
Pitar (Pitar) rudis Poli 1795 venus clam
 Cardiida - Chamidae
Pseudochama gryphina Lamarck 1819 jewel box
Chama gryphoides Linnaeus 1758 jewel box
 Nuculanida - Nuculanidae
"Nuculana (Saccella) fragilis" = Saccella
"Nuculana (Saccella) fragilis" = Saccella pointed nut clam
 Nuculanida - Yoldiidae
 Nuculida - Nuculidae
Nucula (Nucula) nucleus Linnaeus 1758 nut clam