Mammalia - Dryolestoidea - Dryolestidae

Synonyms: Asthenodon segnis Marsh 1887, Herpetairus humilis Simpson 1929, Laolestes grandis Simpson 1929, Stylacodon validus Marsh 1880

Full reference: O. C. Marsh. 1878. Fossil mammal from the Jurassic of the Rocky Mountains. American Journal of Science and Arts, series 3 15:459

Belongs to Dryolestes according to O. P. Hay 1930

See also Engelmann and Callison 1998, Hay 1902, Kielan-Jaworowska et al. 2004, King 1878, Kraus 1979, Marsh 1878, Marsh 1880, Marsh 1887, Prothero 1981, Simpson 1927, Simpson 1929 and Williston 1878

Sister taxa: Dryolestes leirensis, Dryolestes obtusus, Dryolestes tenax, Dryolestes vorax

Type specimens:

• Dryolestes priscus: YPM 11820, a mandible (partial right mandible with one molar). Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming.
• Asthenodon segnis: YPM 10646, a mandible (right mandible with P1-4 and M1-7). Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming.
• Herpetairus humilis: YPM 13745, a maxilla (left maxilla with M3-6). Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming.
• Laolestes grandis: YPM 13727, a mandible (partial right mandible with M1-4 broken). Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming.
• Stylacodon validus: YPM 11884, a mandible (right mandible with P3-4 and M1-4). Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming.

Ecology: scansorial insectivore

Distribution:

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Specimen images are retrieved through the ePANDDA API.