Search Results for: Mammals other than primates
anatomical terminology [ edit on wikidata ] the sclera, [help ] also known as the white of the eye, is the opaque, fibrous, protective, outer layer of the human eye containing mainly collagen and some elastic fiber . [ ] in humans, the whole sclera is white, contrasting with the coloured iris , but in other
mammals the visible part of the sclera matches the colour of the iris, so the white part does not normally show. in the development of the embryo , the sclera is derived from the neural crest . [ ] in children, it is thinner and shows some of the underlying pigment, appearing slightly blue. in the elderly...
https://en.wikipedia.org/wiki/Sclera
photos: cretaceous 'graveyard' holds a snapshot of the dino-killing asteroid impact "caves lack unequivocal fossils before the cenozoic ," the researchers wrote in a paper describing their find, referring to a later period after the mass extinction (known as the k/pg boundary) when dinosaurs died and mammals
"cave environments are well suited for fossilization of bones and coprolites [or fossilized feces] and the fossil record of cave mammals includes rodents, ungulates, marsupials, ursids, felids, hyaenids, canids, primates and humans," they wrote — all species with plenty of bones and poop. they added...
https://www.livescience.com/oldest-cave-dwelling-animal-cockroaches.html