San Jon (Basal Tucumcari Formation): Albian, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cribratinidae
Cribratina texana
Kues and Lucas 2001
Echinoidea - Spatangoida - Hemiasteridae
Washitaster bravoensis
Kues and Lucas 2001
Chondrichthyes - Lamniformes - Pseudoscapanorhynchidae
aff. Cretodus sp. Sokolov 1965
Kues and Lucas 2001
Actinopteri - Pycnodontiformes - Pycnodontidae
Coelodus sp. Haeckel
Kues and Lucas 2001
Polychaeta - Sabellida - Serpulidae
Serpula (Cycloserpula) cragini
Kues and Lucas 2001
Scaphopoda - Dentaliida - Dentaliidae
Dentalium (Dentalium) sp. Linnaeus 1758
Kues and Lucas 2001
Cephalopoda - Ammonitida - Brancoceratidae
Mortoniceras equidistans Cobban 1987
Kues and Lucas 2001
Gastropoda - Turritellidae
Turritella seriatimgranulata Roemer 1849
Gastropoda - Naticidae
Euspira cragini
Kues and Lucas 2001
Gastropoda - Neogastropoda - Sarganidae
Hillites newberryi
Kues and Lucas 2001
Gastropoda - Aporrhaidae
Drepanochilus aff. mudgeana
Kues and Lucas 2001
Gastropoda - Trochidae
Calliostoma cragini Stanton 1947
Kues and Lucas 2001
Gastropoda - Eucyclidae
Amberleya mudgeana
Kues and Lucas 2001
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya sp. Sowerby 1823
Kues and Lucas 2001
Bivalvia - Cardiida - Glossidae
"Isocardia" aff. slatana
Kues and Lucas 2001
Bivalvia - Cardiida - Veneridae
? Aphrodina sp. Conrad 1869
Kues and Lucas 2001
Flaventia belviderensis
Kues and Lucas 2001
Cyprimeria cf. washitaensis
Kues and Lucas 2001
Bivalvia - Cardiida - Tellinidae
? Linearia (Liothyris) aff. kansasensis
Kues and Lucas 2001
original and current combination Linearis
Bivalvia - Cardiida - Cardiidae
Pleuriocardia kansasense Meek 1871
Kues and Lucas 2001
Protocardia texana
Protocardia filosa
Kues and Lucas 2001
Bivalvia - Lucinida - Lucinidae
? Parvilucina sp. (Dall 1901)
Kues and Lucas 2001
Bivalvia - Carditida - Carditidae
Ludbrookia belviderensis
Kues and Lucas 2001
Bivalvia - Carditida - Astartidae
Crassatellina oblonga
Kues and Lucas 2001
Bivalvia - Trigoniida - Megatrigoniidae
Scabrotrigonia emoryi
Kues and Lucas 2001
spelled with current rank as Pterotrigonia (Scabrotrigonia)
Bivalvia - Myalinida - Inoceramidae
"Inoceramus" bellvuensis
Kues and Lucas 2001
Bivalvia - Pectinida - Neitheidae
Neithea texana
Kues and Lucas 2001
Neithea occidentalis Conrad 1855
Kues and Lucas 2001
Bivalvia - Pectinida - Limidae
Lima utahensis
Kues and Lucas 2001
Lima sp. Bruguière 1797
Kues and Lucas 2001
Lima wacoensis Roemer 1849
Kues and Lucas 2001
Bivalvia - Pectinida - Plicatulidae
Plicatula incongrua
Kues and Lucas 2001
Plicatula quayensis n. sp. Kues 1997
Bivalvia - Ostreida - Pteriidae
Phelopteria aff. salinaensis
Kues and Lucas 2001
Bivalvia - Ostreida - Pinnidae
Pinna guadalupae
Kues and Lucas 2001
Bivalvia - Ostreida - Ostreidae
Nicaisolopha subovata
Kues and Lucas 2001
Peilinia n. gen. levicostata Kues 1997
Bivalvia - Ostreida - Gryphaeidae
Texigryphaea pitcheri
Ceratostreon texanum
Gyrostrea hinchada n. sp. Kues 1997
Gymnolaemata - Ctenostomata - Vinellidae
Vinella sp. Ulrich 1890
Kues and Lucas 2001
Anthozoa - Scleractinia - Montastraeidae
? Montastraea sp. Blainville 1830
Kues and Lucas 2001
Anthozoa - Scleractinia - Montlivaltiidae
Rennensismilia stainbrooki (Wells 1933)
Kues and Lucas 2001
original and current combination Trochosmilia stainbrooki
Anthozoa - Scleractinia - Caryophylliidae
Coelosmilia texana (Conrad 1857)
Kues and Lucas 2001
see common names

Geography
Country:United States State/province:New Mexico County:Quay
Coordinates: 35.1° North, 103.3° West (view map)
Paleocoordinates:33.7° North, 62.1° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Albian 10 m.y. bin:Cretaceous 4
Key time interval:Albian
Age range of interval:113.00000 - 100.50000 m.y. ago
Stratigraphy
Formation:Tucumcari
Stratigraphic resolution:group of beds
Stratigraphy comments: 1.2 m part of section including several beds
Lithology and environment
Primary lithology:gray conglomeratic "shale"
Secondary lithology: conglomeratic,calcareous sandstone
Lithology description: "in ascending order... gray to grayish-brown shale containing rounded quartzite pebbles and cobbles up to 5 cm in diameter, highly fissile dark gray shale, and an upper interval consisting of interbedded dark gray shale and three thin, calcareous, locally conglomeratic, sandstone ledges"
Environment:shoreface
Geology comments: "open bay to lower to upper shoreface environments"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:37561
Authorizer:J. Alroy, W. Kiessling Enterer:J. Alroy, M. Krause
Modifier:M. Krause Research group:marine invertebrate
Created:2004-03-16 21:01:12 Last modified:2013-02-05 07:55:36
Access level:the public Released:2004-03-16 21:01:12
Creative Commons license:CC BY
Reference information

Primary reference:
10048. B. S. Kues. 1997. New bivalve taxa from the Tucumcari Formation (Cretaceous, Albian), New Mexico, and the biostratigraphic significance of the basal Tucumcari fauna. Journal of Paleontology 71(5):820-839 [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

44654 B. S. Kues and S. G. Lucas. 2001. Nearshore fauna of the Tucumcari Formation (Lower Cretaceous, Albian), Quay County, New Mexico. New Mexico Geological Society Guidebook [W. Kiessling/M. Krause/M. Krause]