TheropodaAllosauridaePrivately held

Allosaurus jimmadseni

“Little Al” · Privately held

Allosaurus jimmadseni skeletal reconstruction, left lateral view — the juvenile 'Little Al', ~2.8 m.
Scale bar = 1 meter
Taxon
Allosaurus jimmadseni Chure & Loewen, 2020
Specimen
Privately held
Reconstructed length
~2.8 m (9 feet)
View
Left lateral
Basis
Juvenile individual; privately held, so not available for study
Drawing
© Scott Hartman
Drawn
2011, revised 2026

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A juvenile Allosaurus jimmadseni about 2.8 m long, roughly half the length of the subadult “Big Al.” It is in private hands, which places it outside the scientific record; the reconstruction here is included to show the animal’s proportions early in growth.

Other Allosaurus jimmadseni specimens

Allosaurus jimmadseni skeletal reconstruction, left lateral view — the subadult MOR 693 (Big Al), ~6.6 m.
MOR 693
“Big Al”

← all Allosaurus jimmadseni specimens