▁poor ly ▁defined ▁r ims ▁of ▁art icular ▁surfaces ▁ ▁Mark ed ▁dor so - vent ral ▁con str iction ▁of ▁cer v ical ▁cent ra ▁on ▁vent ral ▁mid line ▁( bin oc ular - sh aped ) ▁ ▁Ne ural ▁arch ▁and ▁canal ▁very ▁small ▁relative ▁to ▁cent rum ▁diameter ▁ ▁References ▁▁ ▁O ' Ke efe , ▁F . ▁R . ▁and ▁Street , ▁H . ▁P . ▁ 2 0 0 9 . ▁O ste ology ▁of ▁the ▁C rypt oc le ido id ▁P les ios aur ▁T aten ect es ▁lar ami ensis , ▁with ▁Comment s ▁on ▁the ▁Tax onom ic ▁Status ▁of ▁the ▁C im ol ias aur idae . ▁Journal ▁of ▁Ver te br ate ▁Pale ont ology , ▁ 2 9 ( 1 ): ▁ 4 8 - 5 7 . ▁Bio One ▁Online ▁J ourn als ▁ ▁Category : J ur ass ic ▁pl es ios a urs ▁Category : C ret ace ous ▁pl es ios a urs ▁Category : O x ford ian ▁first ▁appearances ▁Category : O x ford ian ▁tax onom ic ▁families ▁Category : K immer id g ian ▁tax onom ic ▁families ▁Category : T ith onian ▁tax onom ic ▁families ▁Category : Ber rias ian ▁tax onom ic ▁families ▁Category : Val ang in ian ▁tax onom ic ▁families ▁Category : H aut er iv ian ▁tax onom ic ▁families ▁Category : Bar rem ian ▁tax onom ic ▁families ▁Category : A pt ian ▁tax