adapid造句

• There are two major branches of adapids, subfamily Adapinae ( adapines ) and subfamily Caenopithecinae ( caenopithecines ).
• Gingerich and Sahni considered both " Indraloris " and " Sivaladapis " to be adapids.
• However, no lemuriform toothcomb has been found in the fossil record of the Eocene, and the European adapid lower jaws from that time did not resemble the derived state seen in lemuriforms.
• In 1979, Herbert Thomas and Surinder Verma agreed that " Indraloris " and " Sivaladapis " were adapids, but placed them in a subfamily of their own, Sivaladapinae.
• The European adapids " Adapis ", " Palaeolemur ", and " Leptadapis " shared adaptations for slow climbing like the lorises, although they may have been quadrupedal runners like small New World monkeys.
• However, adapids lacked many of the anatomical specializations characteristic of living strepsirrhines, such as a toothcomb, a toilet-claw on the second pedal digit, and a reduction in the size of the promontory branch of the internal carotid artery.
• Adapid systematics and evolutionary relationships are controversial, but there is fairly good evidence from the postcranial skeleton ( everything but the skull, or cranium ) that adapids were stem strepsirrhines ( members of the group including the living lemurs, lorises, and bushbabies ).
• Adapid systematics and evolutionary relationships are controversial, but there is fairly good evidence from the postcranial skeleton ( everything but the skull, or cranium ) that adapids were stem strepsirrhines ( members of the group including the living lemurs, lorises, and bushbabies ).
• Fossil "'omomyids "'are found in North America, Europe, Asia, and possibly Africa, making it one of two groups of Eocene primates with a geographic distribution spanning holarctic continents, the other being the adapids ( family Adapidae ).
• In particular, the anatomy of the adapid wrist and ankle ( e . g ., position of the groove for the flexor fibularis tendon on the talus, the presence of a sloping talo-fibular facet ) show derived similarities with those of living strepsirrhines.
• American Philip Gingerich proposed that lemuriform primates evolved from one of several genera of European adapids based on similarities between the front lower teeth of adapids and the toothcomb of extant lemuriforms; however, this view is not strongly supported due to a lack of clear transitional fossils.
• American Philip Gingerich proposed that lemuriform primates evolved from one of several genera of European adapids based on similarities between the front lower teeth of adapids and the toothcomb of extant lemuriforms; however, this view is not strongly supported due to a lack of clear transitional fossils.
• A study done in 1987 linked Plesiadapiformes with adapids and omomyids through nine shared-derived features, six of which are cranial or dental : ( 1 ) auditory bulla inflated and formed by the petrosal bone, ( 2 ) ectotympanic expanded laterally and fused medially to the wall of the bulla, ( 3 ) promontorium centrally positioned in the bulla, and large hypotympanic sinus widely separating promontorium from the basisphenoid, ( 4 ) internal carotid entering the bulla posteriolaterally and enclosed in a bony tube, ( 5 ) nannopithex fold on the upper molars, and ( 6 ) loss of one pair of incisors.