Oarda de Jos A (OdA): Early Maastrichtian, Romania

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
Malacostraca - Decapoda
"crab chelipeds"
Mammalia - Multituberculata - Kogaionidae
Kogaionidae indet. Râdulescu and Samson 1996
1 specimen
Codrea et al. 2014
Holotype: UBB ODAN-Mt-13, isolated M1 and J2; referred material: UBB ODAN-Mt-2, 4, 44-52, 61, 74-80
Reptilia - Squamata
Brusatte et al. 2013
Reptilia - Barbatteiidae
Codrea et al. 2017 1 specimen
PSMUBB.ODAN-A-12 (holotype), incomplete parietal
Reptilia - Lacertilia
Reptilia
Codrea et al. 2010 1 specimen
ODA 28
Dalla Vecchia 2014
Reptilia - Titanosauridae
Reptilia - Pterosauria - Azhdarchidae
Solomon et al. 2020 1 specimen
PSMUBB V651 - holotype
Reptilia
Crocodylia indet. (Owen 1842)
Brusatte et al. 2013
Amphibia - Temnospondyli - Albanerpetontidae
Amphibia - Temnospondyli
Discoglossidae indet. Günther 1859
Brusatte et al. 2013
Venczel et al. 2016
Amphibia - Temnospondyli - Bombinatoridae
Venczel et al. 2016 3 specimens
PSMUBB.ODAN-A-9-11
Amphibia - Temnospondyli - Alytidae
Venczel et al. 2016 5 specimens
PSMUBB.ODAN-A-3, 5-8
Actinopteri - Characiformes
Brusatte et al. 2013
Actinopteri - Lepisosteiformes - Lepisosteidae
unclassified
Charophyta indet. Migula 1890
see common names

Geography
Country:Romania State/province:Alba
Coordinates: 46.0° North, 23.6° East (view map)
Paleocoordinates:25.4° North, 29.4° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Maastrichtian 10 m.y. bin: Cretaceous 8
Key time interval: Early Maastrichtian
Age range of interval: 72.2 - 66 m.y. ago
Stratigraphy
Formation:Şard
Stratigraphic resolution:group of beds
Stratigraphy comments: Şard Formation, lower–middle part
Lithology and environment
Primary lithology:lenticular,black,gray silty,calcareous claystone
Secondary lithology:shelly/skeletal "limestone"
Includes fossils?Y
Includes fossils?Y
Lithology description: "gray-blackish silt clays and calcretes"; "coquina limestone" bed in same deposit contains eggshells
Environment:pond
Geology comments: floodplain with laterally extensive channels, with lacustrine environment predominating. Lens-like accumulation at this site.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Fragmentation:occasional
Temporal resolution:snapshot
Collection methods and comments
Collection methods:bulk,surface (in situ),mechanical,sieve,field collection
Rock censused:800 kg
Reason for describing collection:taxonomic analysis
Metadata
Also known as:ODA; Oarda A
Database number:115074
Authorizer:M. Carrano, P. Mannion, P. Barrett Enterer:M. Carrano, P. Mannion, T. Cleary, J. Tennant
Modifier:P. Mannion Research group:vertebrate
Created:2011-08-27 05:08:28 Last modified:2025-02-22 15:12:02
Access level:the public Released:2011-08-27 05:08:28
Creative Commons license:CC0
Reference information

Primary reference:
37235. V. Codrea, M. Vremir, C. Jipa, P. Godefroit, Z. Csiki, T. Smith, and C. Farcas. 2010. More than just Nopcsa's Transylvanian dinosaurs: A look outside the Hateg Basin. Palaeogeography, Palaeoclimatology, Palaeoecology 293:391-405 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

49557 S. Brusatte, M. Vremir, A. Watanabe, Z. Csiki-Sava, D. Naish, G. J. Dyke, G. M. Erickson and M. A. Norell. 2013. An infant ornithopod dinosaur tibia from the Late Cretaceous of Sebes, Romania. Terra Sebus. Acta Musei Sabesiensis 5:627-644 [P. Mannion/J. Tennant/M. Carrano]
80607 V. A. Codrea, O. Barbu, and C. Jipa-Murzea. 2010. Upper Cretaceous (Maastrichtian) landvertebrate diversity in Alba District (Romania). Bulletin of the Geological Society of Greece 43(2):594-601 [M. Carrano/M. Carrano]
50288 V. A. Codrea, A. A. Solomon, M. Venczel and T. Smith. 2014. A new kogaionid multituberculate mammal from the Maastrichtian of the Transylvanian Basin, Romania. Comptes Rendus Palevol 13(6):489-499 [P. Mannion/J. Tennant/P. Mannion]
62333 V. A. Codrea, M. Venczel, and A. Solomon. 2017. A new family of teiioid lizards from the Upper Cretaceous of Romania with notes on the evolutionary history of early teiioids. Zoological Journal of the Linnean Society 181(2):385-399 [P. Barrett/T. Cleary/P. Mannion]
56054 F. M. Dalla Vecchia. 2014. An overview of the latest Cretaceous hadrosauroid record in Europe. In D. A. Eberth & D. C. Evans (ed.), Hadrosaurs 268-297 [M. Carrano/M. Carrano]
73444 A. A. Solomon, V. A. Codrea, M. Venczel and G. Grellet-Tinner. 2020. A new species of large-sized pterosaur from the Maastrichtian of Transylvania (Romania). Cretaceous Research 110:104316 [P. Mannion/P. Mannion]
82420 A. A. Solomon, V. A. Codrea, M. Venczel and T. Smith. 2022. New data on Barbatodon oardaensis Codrea, Solomon, Venczel & Smith, 2014, the smallest Late Cretaceous multituberculate mammal from Europe. Comptes Rendus Palevol 21(13):253-271 [P. Mannion/P. Mannion]
65862 M. Venczel, J. D. Gardner, V. A. Codrea, Z. Csiki-Sava, S. Vasile and A. A. Solomon. 2016. New insights into Europe’s most diverse Late Cretaceous anuran assemblage from the Maastrichtian of western Romania. Palaeobiodiversity and Palaeoenvironments 96(1):61-95 [P. Mannion/P. Mannion]
81031 M. Vremir. 2010. New faunal elements from the Late Cretaceous (Maastrichtian) continental deposits of Sebeş area (Transylvania). Terra Sebus. Acta Musei Sabesiensis 2010(2):635-684 [M. Carrano/M. Carrano]