Greenish black muds of the Neris river (Cretaceous of Lithuania)

Where: Lithuania (55.1° N, 24.4° E: paleocoordinates 44.9° N, 21.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jiesia Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• Considered to be of Cenomanian age by Dalinkevičius (1935), on the basis of faunal similarity (fish and invertebrate taxa) to levels elsewhere in Europe (see also Dalinkevičius, 1934). At present, this deposit is assigned to the Jiesia Formation (see Grigelis and Suveizdis, 1993; Grigelis, 1999) and dated as late Albian (Mertiniene, 1978, 1980,

•1982; Grigelis and Kisnérius, 1982).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray, green mudstone

Size class: macrofossils

Collected by J.A. Dalinkevičius

• Repository: Vilnius University (COLL-VU)

Primary reference: J. A. Dalinkevičius. 1935. On the fossil fishes of the Lithuanian Chalk. I. Selachii. Vytauto Didžiojo Universiteto Matematikos-Gamtos Fakulteto Darbai 9:243-305 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 213709: authorized by Matthew Clapham, entered by Matthew Clapham on 08.09.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Acrodontidae
Acrodus giedroyci Dalinkevičius 1935 elasmobranch
 Hybodontiformes - Hybodontidae
"Hybodus (Polyacrodus) grewingki" = Hybodus grewingki
"Hybodus (Polyacrodus) grewingki" = Hybodus grewingki Dalinkevičius 1935 elasmobranch
 Orectolobiformes - Ginglymostomatidae
Ginglymostoma lithuanica Dalinkevičius 1935 nurse shark
 Orectolobiformes - Orectolobidae
"Ginglymostoma parvula" = Orectoloboides parvulus
"Ginglymostoma parvula" = Orectoloboides parvulus Dalinkevičius 1935 wobbegong
 Lamniformes - Pseudoscapanorhynchidae
"Lamna cf. semiplicata" = Cretodus semiplicatus
"Lamna cf. semiplicata" = Cretodus semiplicatus Agassiz 1843 mackerel shark
 Lamniformes - Carchariidae
"Scapanorhynchus tenuis" = Carcharias tenuis
"Scapanorhynchus tenuis" = Carcharias tenuis Davis 1890 sand shark
 Lamniformes - Otodontidae
"Lamna appendiculata" = Cretalamna appendiculata
"Lamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark
 Lamniformes - Odontaspididae
"Odontaspis (Synodontaspis) striatula" = Eostriatolamia striatula, "Odontaspis subulata" = Eostriatolamia subulata, "Odontaspis gigas" = Hispidaspis gigas
"Odontaspis (Synodontaspis) striatula" = Eostriatolamia striatula Dalinkevičius 1935 sand tiger shark
"Odontaspis subulata" = Eostriatolamia subulata Agassiz 1843 sand tiger shark
"Odontaspis gigas" = Hispidaspis gigas Woodward 1889 sand tiger shark
 Lamniformes - Anacoracidae
"? Oxyrhina primaeva" = Squalicorax primaevus
"? Oxyrhina primaeva" = Squalicorax primaevus Dalinkevičius 1935 crow shark
 Lamniformes - Eoptolamnidae
"Odontaspis macrorhiza" = Leptostyrax macrorhiza
"Odontaspis macrorhiza" = Leptostyrax macrorhiza Cope 1875 mackerel shark
 Synechodontiformes - Palaeospinacidae
Synechodus nitidus Woodward 1912 elasmobranch
 Squaliformes - Squalidae
Protosqualus glickmani Averianov 1997 dogfish shark
 Squatiniformes - Squatinidae
"Squatina decipiens" = Squatina (Cretascyllium) cranei
"Squatina decipiens" = Squatina (Cretascyllium) cranei Woodward 1888 angel shark
 Heterodontiformes - Heterodontidae
"Cestracion canaliculatus" = Heterodontus canaliculatus, "Cestracion upnikensis" = Heterodontus upnikensis
"Cestracion canaliculatus" = Heterodontus canaliculatus Egerton and Woodward 1889 bullhead shark
"Cestracion upnikensis" = Heterodontus upnikensis Dalinkevičius 1935 bullhead shark