Nasilow Hardground (Cretaceous of Poland)

Where: Poland (51.3° N, 22.0° E: paleocoordinates 43.8° N, 18.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Belemnella kazimiroviensis zone, Opoka Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Bed 2

• bed-level stratigraphic resolution

Environment/lithology: peritidal; lithified, burrowed, hardground, gray carbonate

• One meter of light gray hardground with corrugat, eneven and brecciated upper surface, which is densely burrowed

Size class: macrofossils

Collection methods: bulk, mechanical,

Primary reference: G. I. Abdel-Gawad. 1986. Maastrichtian non-cephalopod mollusks: Scaphopoda, Gastropoda and Bivalvia of the Middle Vistula Valley, central Poland. Acta Geologica Polonica 36(1-3):69-224 [W. Kiessling/M. Apel/M. Apel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 27819: authorized by Wolfgang Kiessling, entered by Marcus Apel on 14.01.2003, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only non-cephalopod mollusks
unclassified
  -
Gastropoda
 Cerithioidea - Cerithiidae
Cerithium mazureki n. sp. cerith snail
 Cerithioidea - Turritellidae
"Turritella (Haustator) plana" = Haustator, Turritella hagenoviana, Laxispira cochleiformis
"Turritella (Haustator) plana" = Haustator turret shell
 Sorbeoconcha - Naticidae
? Natica cretacea Goldfuss 1841 moon snail
 Sorbeoconcha - Strombidae
Tibia laevis true conch
 Sorbeoconcha - Aporrhaidae
 Sorbeoconcha - Ranellidae
"Charonia (Sassia) tuberculosa" = Sassia, Charonia multicostata, Biplex cretaceus n. sp.
"Charonia (Sassia) tuberculosa" = Sassia triton shell
Biplex cretaceus n. sp. triton shell
 Neogastropoda - Volutidae
Scaphella sp. Swainson 1832 volute
Scaphella sp. 2
 Neogastropoda - Fasciolariidae
 Sorbeoconcha - Xenophoridae
Xenophora onusta Nilsson 1827 carrier shell
 Sorbeoconcha - Vermetidae
Lemintina nodosa worm shell
 Opisthobranchia - Cylichnidae
Cylichna faba Kner 1869 snail
 Heterostropha - Acteonidae
 Heterostropha - Ringiculidae
? Avellana sp. d'Orbigny 1842 snail
Avellana (?) sp. 2
 Seguenzioidea - Chilodontaidae
 Seguenzioidea - Eucyclidae
 Trochoidea - Turbinidae
 Trochoidea - Nododelphinulidae
Trochacanthus tricarinatus snail
Trochacanthus tricarinatus tricarinatus
 Ptenoglossa - Vasidae
Tudicla globosa n. sp. snail
Tudicla sp. Röding 1798 snail
Bivalvia
 Nuculanida - Sareptidae
"Nucula truncata" = Portlandia arctica
"Nucula truncata" = Portlandia arctica Gray 1824 clam
 Nuculanida - Nuculanidae
Nuculana puschi pointed nut clam
Nuculana foersteri pointed nut clam
 Carditida - Astartidae
Astarte similis Munster 1840 clam
 Pandorida - Laternulidae
 Pholadomyida - Pholadomyidae
 Poromyida - Poromyidae
 Poromyida - Cuspidariidae
 Hippuritida - Monopleuridae
 Cardiida - Veneridae
Legumen fragilis venus clam
 Cardiida - Arcticidae
 Cardiida - Trapezidae
 Cardiida - Cardiidae
 Hiatellida - Hiatellidae
 Lucinida - Lucinidae
 Mytilida - Mytilidae
"Modiolus elongatus" = Modiolus, "Modiolus radiatus" = Modiolus
"Modiolus elongatus" = Modiolus mussel
"Modiolus radiatus" = Modiolus mussel
 Ostreida - Gryphaeidae
Hyotissa semiplana, "Pycnodonte (Phygaea) vesiculare" = Pycnodonte (Phygraea) vesicularis
Hyotissa semiplana Sowerby 1825 oyster
"Pycnodonte (Phygaea) vesiculare" = Pycnodonte (Phygraea) vesicularis Lamarck 1806 oyster
 Pectinida - Limidae
Plagiostoma cretacea, Plagiostoma hoperi, "Limatula kunradensis" = Limatula, "Limatula ovata" = Limatula, ? Pseudolimea granulata
Plagiostoma hoperi Mantell 1822 file clam
"Limatula kunradensis" = Limatula file clam
"Limatula ovata" = Limatula file clam
 Pectinida - Pectinoidae
"Spondylus dutempleanus" = Spondylus fimbriatus Goldfuss 1835 scallop
Lyropecten (Aequipecten) acuteplicatus Alth 1850 scallop
more than 600 seperate valves from Kazimierz, Janowiec and the majority from Nasilow, Bochotnica
Merklinia variabilis Hagenow 1842 scallop
 Pectinida - Neitheoidae
Neithea sexcostata Woodward 1833 scallop
 Myalinida - Inoceramidae
Tenuipteria argentea Conrad 1858 clam
 Arcida - Cucullaeidae
 Arcida - Arcidae
Barbatia tenuistriata, Barbatia geinitzi, "Arca (Eonavicula) granulatoradiata" = Eonavicula
Barbatia geinitzi Reuss 1844 clam
"Arca (Eonavicula) granulatoradiata" = Eonavicula clam
 Arcida - Parallelodontidae
 Arcida - Limopsidae
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Anthozoa
 Scleractinia - Oculinidae
Madrepora sp. Linne 1758 stony coral