Phu Phok (Cretaceous to of Thailand)

Also known as Siamosuchus phuphokensis & Theriosuchus grandinaris type locality

Where: Sakhan Nakhan, Thailand (16.9° N, 104.1° E: paleocoordinates 16.4° N, 114.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Sao Khua Formation (Khorat Group), Barremian to Barremian (129.4 - 113.0 Ma)

• lower part of outcrop

• group of beds-level stratigraphic resolution

Environment/lithology: wet floodplain; concretionary, pebbly, brown, red siltstone

• "a very extensive floodplain with low energy meandering rivers"
• "a reddish-brown siltstone, 5 m thick, showing a clear sorting of the sediments with scattered pebbles inside...the lower part of this outcrop, which contains calcrete nodules and nodular silcretes."

Size classes: macrofossils, mesofossils

Collected in 2002-2003

Collection methods: surface (float), chemical, mechanical, peel or thin section,

Primary reference: E. Buffetaut, G. Grellet-Tinner, V. Suteethorn, G. Cuny, H. Tong, A. Kosir, L. Cavin, S. Chitsing, P. J. Griffiths, J. Tabouelle, and J. Le Loeuff. 2005. Minute theropod eggs and embryo from the Lower Cretaceous of Thailand and the dinosaur-bird transition. Naturwissenschaften 92(10):477-482 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79489: authorized by Matthew Carrano, entered by Matthew Carrano on 10.03.2008, edited by Matthew Oreska and Sharon McMullen

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Hybodontidae
Heteroptychodus steinmanni4 Yabe and Obata 1930 elasmobranch
Gnathostomata
  -
Osteichthyes indet.4 bony fish
teeth
Actinopteri
 Semionotiformes - Semionotidae
"Semionotidae" indet.2 Woodward 1890
 Halecomorphi - Sinamiidae
Sinamiidae indet.2, Siamamia naga n. gen. n. sp.3, Siamamia naga n. gen. n. sp.2
Sinamiidae indet.2 Berg 1940
"new taxon"
Siamamia naga n. gen. n. sp.3 Cavin et al. 2007
TF 8001 - type (semi-articulated skull)
Siamamia naga n. gen. n. sp.2 Cavin et al. 2007
Reptilia
 Testudines - Adocidae
Isanemys srisuki6 Tong et al. 2006 turtle
two taxa
 Theropoda -
Theropoda indet. theropod
4 eggs; SK1-1 to 1-4, some with bones; 2 teeth
 Saurischia - Spinosauridae
Siamosaurus suteethorni4 Buffetaut and Ingavat 1986 tetanuran
teeth
 Pterosauria -
Pterodactyloidea indet.4 Plieninger 1901 pterosaur
tooth
 Loricata -
"Crocodilia indet." = Crocodylia1
"Crocodilia indet." = Crocodylia1 Owen 1842 crocodilian
 Loricata - Goniopholididae
Siamosuchus phuphokensis n. gen. n. sp.4
Siamosuchus phuphokensis n. gen. n. sp.4 Lauprasert et al. 2007 Siam crocodile
PPC-1
 Loricata - Atoposauridae
Theriosuchus grandinaris n. sp.5 Lauprasert et al. 2011 crocodilian
PPC-2 - type (rostrum and dentary)