Pakicetus attocki (West, 1980) - fossil transitional whale skull (cast) from the Eocene of Pakistan. (public display, Nebraska State Museum of Natural History, Lincoln, Nebraska, USA)
From museum signage:
"Pakicetus was one of the very earliest types of whales.
Features found in whales:
- thickened bony cases around the ears on the underside of the skull, called auditory bullae.
Features found in land mammals:
- teeth specialized for tearing and chewing food.
"
Classification: Animalia, Chordata, Vertebrata, Mammalia, Artiodactyla, Cetacea, Archaeoceti, Pakicetidae
Stratigraphy: Kuldana Formation, Lower Eocene
Locality: Early Eocene Geological Survey of Pakistan locality 62 in the Ganda Kas area, Kala Chitta Hills, northern Punjab, northeastern Pakistan
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See info. at:
en.wikipedia.org/wiki/Pakicetus
and
en.wikipedia.org/wiki/Pakicetidae
and
faculty.virginia.edu/bio202/202-2002/Lectures%2020202/the...
