Etymology: Siam, in reference to the ancient name of Thailand, and Greek, souchos, derived from the Egyptian word for crocodile.
Species: phuphokensis LAUPRASERT, CUNY, BUFFETAUT, SUTEETHORN & THIRAKHUPT, 2007
Etymology: In reference to the type loclaity Phu Phok, in which the holotype was found.
Holotype: PPC-1
Locality: Phu Phok, Kok Prasil sub-district, Phu Phan District, Sakon Nakhon Province, Thailand.
Horizon: Sao Kua Formation.
Biostratigraphy:
Age: Lower Aptian Stage, Lower Neocomian Substage, Lower Early Cretaceous Epoch, Early Cretaceous.
Material: Cranial portion of a rostrum, including premaxillae, external nares, part of maxillae and nasals, left lacrimal, frontal, part of left postorbital, part of left jugal, part of caudal cranial table, isolated vertebrae, femur, tibia-fibula, humerus, radius-ulna, pelvic girdles, and dorsal and vetnral osteoderms.
Breakdown as follows:
PPC1-1, 1-2, 1-3: Partial rostrum.
PPC1-4: Incomplete frontal.
PPC1-5: Left jugal.
PPC1-6: Right postorbital.
PPC1-8: Caudal part of cranium.
PPC1-9: Right femur.
PPC1-10: Right humerus.
PPC1-11: Right tibia and fibula.
PPC1-12: Right ischium and ilium.
PPC1-14: Left ulna.
PPC1-16: Part of right radius.
PPC1-17: Part of a right metatarsal.
PPC1-18: Axis to 6th cervical vertebrae.
PPC1-19: Partial pubis.
PPC1-21: 9th cervical.
PPC1-23: 2nd dorsal vertebra.
PPC1-25, 1-26: Lumbar vertebrae.
PPC1-31, 1-33, 1-34: Cranal caudal vertebrae.
PPC1-36-1.40: lumbar vertebrae.
PPC1-41, 42: Cervical ribs.
PPC 1-48 to 1-51: Paravertebrfal shields.
PPC 1-54: Most cranial postsacral osteoderm.
PPC 1-55, 1-56: Dorsocaudal osteoderms.
PPC 1-62: Ventral osteoderms of the middle region.
PPC 1-63: Hexagonal ventral osteoderm.
PPC 1-64: Craniolateral corner of the right side of the ventral armor.
PPC 1-65: An osteoderm of the neck region.
PPC 1-66: Limb osteoderm.
Siamosuchus phuphokensis after LAUPRASERT, CUNY, BUFFETAUT, SUTEETHORN & THIRAKHUPT, 2007: A) occipitial view; B) dorsal and C) ventral views.