Genus
Valid Extinct

Segisaurus

Camp 1936

Segisaurus is a genus of small coelophysid theropod dinosaur, that measured approximately 1 metre in length. The only known specimen was discovered in early Jurassic strata in Tsegi Canyon, Arizona, for which it was named. Segisaurus is the only dinosaur to have ever been excavated from the area.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Carnivore Ground dwelling, solitary Terrestrial
Segisaurus
click to enlarge
Restoration of the Segisaurus halli holotype skeleton © Camp, C. L. · Public domain · Wikimedia
Segisaurus
Segisaurus
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
›
Theropoda Unranked clade
›
Neotheropoda Unranked clade
›
Coelophysoidea Superfamily
›
Coelophysidae Family
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Coelophysinae Subfamily
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Segisaurus Genus
Measurements
Length
1,55 m ⓘ
Segisaurus halli 
1,5 m ⓘ
Mass
4,5 kg ⓘ
Segisaurus halli 
Fossil sites 2 geolocated sites
Distribution
Top countries
🇺🇸 United States
2
Geological formations
Navajo Sandstone
2
Temporal distribution
Toarcian (184.2–174.7 Ma)
1
Pliensbachian (192.9–184.2 Ma)
1
Species (1)
Segisaurus halli 193 Ma
Images 2
Bibliography
Original description
C. L. Camp. 1936. A new type of bipedal dinosaur from the Navajo Sandstone of Arizona. University of California Publications in Geological Sciences 24(2):39-56
Bibliography (2)
L. F. Brady. 1960. Dinosaur tracks from the Navajo and Windgate sandstones. Plateau 32(4):81-82
C. L. Camp. 1936. A new type of bipedal dinosaur from the Navajo Sandstone of Arizona. University of California Publications in Geological Sciences 24(2):39-56