Bicaz Gorges, SU III Member, succession I (Cretaceous of Romania)

Where: Bicaz Gorges, Romania (47.0° N, 25.9° E: paleocoordinates 26.5° N, 30.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Calpionellite zone, Lapos Formation, Early/Lower Valanginian (140.2 - 136.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified, nodular, gray limestone

• The member is made up of nodular limestones with frequent algal nodules and micrithas with minor intercalation of pelsparites.It has a transgressive lower boundary, marked by a hardground surface, while its upper boundary has a transgressive contact, which is overlain by the Bardos Formation(Barremian-Early Aption).
• 2 meters of gray nodular limestones.

Size classes: macrofossils, mesofossils

Primary reference: O. Dragastan. 2011. Early Cretaceous Foraminifera, Algal Nodules and Calpionellids from the Lapos Valley, Bicaz Gorges (Eastern Carpathians, Romania). Analele Stiintifice ale Universitatii "Al. I. Cuza" - Seria Geologie 57(1):91-105 [W. Kiessling/M. Krause]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 138804: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 28.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Algal nodules
Hormogoneae
 Nostocales - Rivulariaceae
Rivularia piae
Cyanophyceae
  - Garwoodiaceae
Garwoodia bardosi
Polyhymenophora
 Spirotrichia -
Tintinnopsella carpathica
Protozoa
 Calpionellida -
Calpionellites allemanni
Chlorophyceae
 Dasycladales -
Rajkaella alpina
 Dasycladales - Dasycladaceae
Salpingoporella annulata
Foraminifera
 Loftusiacea - Cyclamminidae
Everticyclammina greigi, Everticyclammina kelleri, Pseudocyclammina sphaeroidalis, Pseudocyclammina lituus
Pseudocyclammina lituus Yokoyama 1890
 Involutinina - Involutinidae
Neotrocholina molesta
  -
Andersenolina cherchiae
Humiella cataeneformis
  -
Humiella cataeneformis
Humiella cataeneformis Radoicic 1978