[A]凹齿龙 (Matheron,1869) =
栅齿龙(M. suessi) (Bunzel, 1871 / Seeley,1881) 凹齿龙
> R.priscus (Matheron,1869) >> 禽龙 (I. suessi) (Bunzel,1871)寡头龙
(O. adelus) (Seeley,1881) 鸟骨龙(O. gracilis) (Seeley,1881)
栅齿龙(M. robustus) (Nopcsa,1900) 慢行龙(O.
hungaricus) (Nopcsa,1902) 弯龙(C. inkeyi) (Nopcsa,1900)
凹齿龙 > R.septimanicus (Buffetaut & Le Loeuff,1991)
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