basilosaurid造句
例句與造句
- Greek for whale ) is an extinct genus of basilosaurid cetacean from Middle Eocene ( Bartonian stage ) deposits of southern Peru.
- Preserved basilosaurid ( a more derived archaeocetes lacking a third upper molar ) . argued against this assignment until more solid evidence has been found.
- The morphology of acoustically isolated ear bones in basilosaurid archaeocetes indicates that this order had directional hearing underwater at low to mid frequencies by the late middle Eocene.
- In the wrist, the carpal bones are small like in " Zygorhiza ", but, unlike in this other basilosaurid, the trapezoid in " Ancalecetus ".
- The basilosaurid ear did, however, have a large external auditory meatus, strongly reduced in modern cetaceans, but though this was probably functional, it can have been of little use under water.
- It's difficult to find basilosaurid in a sentence. 用basilosaurid造句挺難的
- Basilosaurid forelimbs have broad and fan-shaped scapulae attached to a humerus, radius, and ulna which are flattened into a plane to which the elbow joint was restricted, effectively making pronation and supination impossible.
- A basilosaurid was as big as the larger modern whales, with genera like " Basilosaurus " reaching lengths of up to long; dorudontines were smaller, with genera like " Dorudon " reaching about long.
- Basilosaurid remains from Egypt were tentatively assigned to " Zeuglodon brachyspondylus " based on superficial similarities to the syntype series ( under the old hypothesis of synonymy of " Pontogeneus " and " Zeuglodon brachyspondylus " ).
- The basilosaurid tooth arrangement appears as a more efficient and specialized version of the " Georgiacetus " arrangement . " Georgiacetus " predated the basilosaurids by nearly three million years; the Georgia Whale was very likely the source of the basilosaurids.
- ""'Ocucajea " "'is an extinct genus of basilosaurid cetacean from Middle Eocene ( Bartonian stage ) deposits of southern Peru . " Ocucajea " is known from the holotype MUSM 1442, a partial skeleton.