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slender legs
5 feet) long
Nasal & snout are reconstructed
It is among the rarest and most sought after of dinosaur eggs by museums
the negative
Lobolith, Crinoid Bulb Float, holdfast Alamosaurus slender legsThis replica Lobolith comes from the Devonian of Oklahoma. Most crinoids were held in place by a holdfast, root like system. A few species were bottom bobbers and floaters. These unique crinoids are believed to have floated with the currents with the calyx (head) facing down. The Lobolith was chambered and filled with some form of gas produced by the crinoid. The gas caused the crinoid to float and could probably be regulated to allow the crinoid to