Alden Biesen Sand, Borgloon Fm: Rupelian, Belgium
collected by Marquet et al

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Jordaniella laportei
Gastropoda - Heterostropha - Pyramidellidae
Syrnola intumescens (von Koenen 1891)
recombined as Syrnola (Puposyrnola) intumescens
Syrnola laevissima (Bosquet 1859)
recombined as Syrnola (Puposyrnola) laevissima
Odostomia pingue
Odostomia semperi
Gastropoda - Heterostropha - Murchisonellidae
Ebala bezanconi
Gastropoda - Heterostropha - Lymnaeidae
Lymnaea (Stagnicola) fabulum
Lymnaea (Stagnicola) longiscatus
Gastropoda - Heterostropha - Planorbidae
Gyraulus bosqueti
Planorbarius junci
Gastropoda - Skeneidae
Solariorbis decussatus
Gastropoda - Opisthobranchia - Retusidae
Cylichnina coelata (Deshayes 1862)
Gastropoda - Opisthobranchia - Scaphandridae
Mnestia turgidula (Sandberger 1859)
Gastropoda - Neritidae
Theodoxus hoeseltensis
Gastropoda - Cerithiidae
Cerithiidae indet. (Fleming 1822)
Bittium sublima
Bittium sp. Gray 1847
Gastropoda - Thiaridae
Melanoides fasciatus
Gastropoda - Batillariidae
Granulolabium plicatum (Bruguiére 1792)
SUBSPECIES: Granulolabium plicatum moniliferum
Gastropoda - Scaliolidae
Sandbergeria cancellata
Gastropoda - Potamididae
Mesohalina cf. tascheri
Mesohalina brabantinus (Glibert and de Heinzelin 1954)
Mesohalina margaritaceus (Brocchi 1814)
SUBSPECIES: Mesohalina margaritaceus labyrinthus
Potamides lamarkii
Gastropoda - Pomatiidae
Pomatias kadolskyi
Gastropoda - Naticidae
Euspira achatensis
Gastropoda - Rissoidae
Turboella turbinata (Lamarck 1804)
Gastropoda - Elachisinidae
Cirsope subeffusa
Gastropoda - Hydrobiidae
Hydrobia draparnaldii
Hydrobia sp. Hartmann 1821
Gastropoda - Truncatellidae
Nystia pupiniformis
Nystia duchasteli
Gastropoda - Stenothyridae
Stenothyroides pupa
Stenothyroides bidens
Stenothyroides dunkeri
Gastropoda - Caecidae
Strebloceras cornuloides
Caecum cf. glimmerodense
Gastropoda - Neogastropoda - Nassariidae
Keepingia gossardii (Nyst 1836)
Gastropoda - Neogastropoda - Cancellariidae
Unitas cf. elongata (Nyst 1843)
Gastropoda - Neogastropoda - Mitridae
Volvaria multicingulata
Gastropoda - Neogastropoda - Mangeliidae
Mangelia costellaria (Nyst 1836)
Cytharella elegans
Bivalvia - Mytilida - Mytilidae
Aulacomya subfragilis (d'Orbigny 1847)
Modiolula pygmaea (Philippi 1843)
Modiolus sandbergeri Glibert and de Heinzelin 1954
Brachidontes sp. Swainson 1840
Bivalvia - Cardiida - Cardiidae
Parvicardium nystianum (d'Orbigny 1852)
SUBSPECIES: Parvicardium nystianum tongricum
Bivalvia - Cardiida - Tellinidae
Angulus benedeni (Nyst and Westendorp 1839)
SUBSPECIES: Angulus benedeni nysti
Bivalvia - Cardiida - Dreissenidae
Mytilopsis nystiana (d'Orbigny 1847)
Bivalvia - Cardiida - Veneridae
Cordiopsis incrassata (Nyst 1836)
Bivalvia - Cardiida - Corbiculidae
Cyrenorita neglecta (Nsyt 1836)
Polymesoda subarata (Bronn 1837)
SUBSPECIES: Polymesoda subarata convexa
Bivalvia - Pholadida - Myidae
Sphenia angustata (Sowerby 1826)
Bivalvia - Pholadida - Corbulidae
Lentidium nitidum (Sowerby 1822)
recombined as Lentidium (Ajanssenium) nitidum
Lentidium donaciforme (Nyst 1836)
recombined as Lentidium (Ajanssenium) donaciforme
Corbula gibba (Oliva 1792)
recombined as Corbula (Varicorbula) gibba
SUBSPECIES: Corbula gibba subpisum
Bivalvia - Lucinida - Lucinidae
Megaxinus striatula (Nyst 1836)
Paralucinella undulata (Lamarck 1806)
Callucina thierensi (Hébert 1849)
Bivalvia - Carditida - Astartidae
Isocrassina henckeliusiana (Nyst 1836)
Polyplacophora - Chitonida - Callistoplacidae
Middendorfia cf. corrugis (Boettger 1869)
see common names

Geography
Country:Belgium
Coordinates: 50.8° North, 5.3° East (view map)
Paleocoordinates:50.2° North, 1.7° East
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period:Paleogene Epoch:Oligocene
Stage:Rupelian 10 m.y. bin:Cenozoic 4
Key time interval:Rupelian
Age range of interval:33.90000 - 27.82000 m.y. ago
Stratigraphy
Geological group:Tongeren Formation:Borgloon Member:Alden Biesen Sand
Stratigraphic resolution:member
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Alden Biesen Sand Mbr of the Borgloon Fm, which overlies the Zelzate Fm, and is overlain by the Bilzen Fm. AGE: Rupelian; justification not provided. STRATIGRAPHIC POSITION: Composite list for the member in the local area.
Lithology and environment
Primary lithology: unlithified sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Sandstone. LITHIFICATION: Unlithified, on the basis of figured specimens.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Shallow siliciclastic fauna.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:surface (float),surface (in situ),field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Collectors:Marquet et al
Collection method comments: COLLECTORS: Marquet, Karnekamp, Lenaerts, and Smith, in addition to historic collections: REPOSITORY: Institut Royal des Sciences naturelles de Belgique (IRSNB), and Nationaal Natuurhistorich Murseum Naturalis (NNM).
Taxonomic list comments:COVERAGE: Exhaustive for mollusca. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Metadata
Database number:111371
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2011-06-23 11:58:22 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2012-06-23 11:58:22
Creative Commons license:CC BY
Reference information

Primary reference:

36498. R. Marquet, J. Lenaerts, C. Karnekamp and R. Smith. 2008. The molluscan fauna of the Borgloon Formation in Belgium (Rupelian, Early Oligocene). Palaeontos 12:1-99 [A. Hendy/A. Hendy]