Maaseik Well (49W0220) - 203 m (Berada Fm) (Miocene of Belgium)

Where: Belgium (51.1° N, 5.8° E: paleocoordinates 51.3° N, 4.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Berada Formation, Tortonian (11.6 - 7.2 Ma)

• STRATIGRAPHIC RELATIONS: From the Berada Fm, which is overlain by the Kieseloolith Fm (Pliocene). Equivalent to the Deurne Mbr and Dessel Mbr of the Diest Fm. THICKNESS: From <1 m thick horizon, within core. AGE: Upper Tortonian (early Late Miocene), based on dinoflagellate biostratigraphy. STRATIGRAPHIC POSITION: From lower part of core.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, medium-grained, shelly/skeletal sandstone

• ENVIRONMENT: Not reported in available text, but apparently shallow marine, siliciclastic setting.
• SPECIFIC LITHOLOGY: Medium sand, with skeletal debris. LITHIFICATION: Unlithified.

Size class: macrofossils

Collected by G.S. Belgium in 1980

Collection methods: bulk, core, sieve,

• COLLECTORS: Geological Survey of Belgium (1980). REPOSITORY: IRScNB/KBIN collection, Dept. of Paleontology, section Invertebrate Paleontology, Geological Survey of Belgium. COMMENTS: Sieved on a 0.5 mm mesh and all identifiable fragments of mollusca were collected.

Primary reference: N. Vandenberghe, P. Laga, S. Louwye Vanhoorne, R. Marquet, and F. De Meuter, K., and H. W. Hagemann. 2005. Stratigraphic interpretation of the Neogene marine-continental record in the Maaseik well (49W0220) in the Roer Valley Graben, NE Belgium. Memoirs of the Geological Survey of Belgium 52:1-39 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 77864: authorized by Austin Hendy, entered by Austin Hendy on 21.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda, and bivalvia. NOMENCLATURE: Modern nomenclature, with consistent identification to species resolution. Identified with Gürs (2001, 2002), Gürs and Weibrecht (2001), Janssen (19884), Heering (1950), Hinsch (2000), Menzel et al. (1994), Moths (1989), Van Voorthuysen (1944) and Wienrich (2002).
unclassified
  -
Bivalvia
 Cardiida - Lasaeidae
"Scacchia degrangei" = Scacchia (Scacchia) degrangei
"Scacchia degrangei" = Scacchia (Scacchia) degrangei Cossmann and Peyrot 1911 kelly clam
 Cardiida - Kelliellidae
 Cardiida - Mactridae
Spisula subtruncata da Costa 1778 clam
Mactra sp. Linnaeus 1767 clam
 Cardiida - Cardiidae
Acanthocardia hanseata Kautsky 1925 cockle
Parvicardium scabrum Philippi 1844 cockle
 Pholadida - Corbulidae
"Corbula gibba" = Corbula (Varicorbula) gibba
"Corbula gibba" = Corbula (Varicorbula) gibba Oliva 1792 clam
SUBSPECIES: Corbula gibba gibba
 Solenida - Pharidae
Ensis sp. Schumacher 1817 clam
 Lucinida - Lucinidae
"Lucinoma borealis" = Lucinoma (Lucinoma) borealis
"Lucinoma borealis" = Lucinoma (Lucinoma) borealis Linnaeus 1767 clam
 Carditida - Astartidae
Goodallia waeli Glibert 1945 clam
SUBSPECIES: Goodallia waeli waeli
 Pectinida - Pectinoidae
Aequipecten opercularis Linnaeus 1758 scallop
 Pectinida - Anomiidae
"Pododesmus squamula" = Heteranomia squamula
"Pododesmus squamula" = Heteranomia squamula Linnaeus 1758 scallop
 Arcida - Glycymerididae
"Glycymeris obovata" = Glycymeris (Glycymeris) obovata
"Glycymeris obovata" = Glycymeris (Glycymeris) obovata Lamarck 1819 clam
SUBSPECIES: Glycymeris obovata baldii
 Nuculida - Nuculidae
"Nucula jeffreysi" = Nucula (Lamellinucula) jeffreysi Bellardi 1875 nut clam
"Nucula trigonula" = Nucula (Nucula) trigonula Wood 1840 nut clam
Leionucula laevigata Sowerby 1818 nut clam
 Nuculanida - Yoldiidae
"Yoldia glaberrima" = Yoldia (Yoldia) glaberrima
"Yoldia glaberrima" = Yoldia (Yoldia) glaberrima von Münster 1837 clam
Gastropoda
 Opisthobranchia - Cylichnidae
"Cylichna cylindracea" = Cylichna (Cylichna) cylindracea
"Cylichna cylindracea" = Cylichna (Cylichna) cylindracea Pennant 1777 snail
 Heterostropha - Ringiculidae
Ringicula buccinea Sowerby 1823 snail
 Sorbeoconcha - Rissoidae
Alvania curta snail
SUBSPECIES: Alvania curta nieheimensis
 Sorbeoconcha - Aporrhaidae
Aporrhais dingdenensis Marquet et al. 2002 snail
 Neogastropoda - Turridae
 Neogastropoda - Raphitomidae
 Neogastropoda - Borsoniidae
 Neogastropoda - Mangeliidae
 Neogastropoda - Columbellidae
 Neogastropoda - Nassariidae
Nassarius prysmaticus Brocchi 1814 snail
 Neogastropoda - Cancellariidae
 Sorbeoconcha - Cassidae
"Semicassis miolaevigata" = Phalium (Semicassis) miolaevigata
"Semicassis miolaevigata" = Phalium (Semicassis) miolaevigata Sacco 1890 snail
 Sorbeoconcha - Naticidae
Euspira helicina Brocchi 1814 moon snail
SUBSPECIES: Euspira helicina protracta
 Cerithioidea - Turritellidae