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It was first described in 1845 when it occurred with old pine railroad ties in the Santa Ana tin mine in the Trabuco Canyon in the Santa Ana Mountains in Orange County
Well-formed crystals are rare
: T183DESCRIPTION: This taxon was described by Hauq (1905) and belongs to the Pristidae family
† Eldredgeia
T57 - Rare Huge 4.64 Inch Basilosaurus (Whale Ancestor) Molar Rooted Tooth Howardites It was first described inScientific name: Basilosaurus sp Probably Pappocetus lugardi, Andrews 1920 (whale ancestor) Location: Dakhla, Western Sahara, South Morocco Geological Formation: Boujdour Basin, Middle Late Eocene Phosphate Outcrops Age: Middle Late Eocene, Bartonian stage (~40 Million Years) Size (long): 11. 8cm = 4. 64Inch REF.: T57 DESCRIPTION: Pappocetus is a protocetid and a large amphibious aquatic carnivore. Pappocetus is also an ancestor of Basilosaurus. Rare
US$ 1875.00
US$ 497.50