Jianianhualong

Collection of four troodontids, clockwise from top left: Mei long, unnamed Alaskan troodontid, Jianianhualong tengi, Sinovenator changii.

Collection of four troodontids, clockwise from top left: Mei long, unnamed Alaskan troodontid, Jianianhualong tengi, Sinovenator changii.

Collection of four troodontids, clockwise from top left: Mei long, unnamed Alaskan troodontid, Jianianhualong tengi, Sinovenator changii.

Collection of four troodontids, clockwise from top left: Mei long, unnamed Alaskan troodontid, Jianianhualong tengi, Sinovenator changii.

Collection of four troodontids, clockwise from top left: Mei long, unnamed Alaskan troodontid, Jianianhualong tengi, Sinovenator changii.

Figure 1: Jianianhualong tengi holotype DLXH 1218. Scale bar, 50 cm. cav, caudal vertebrae; cv, cervical vertebrae; dv, dorsal vertebrae; fu, furcula; lfe, left femur; lh, left humerus; li, left ilium; lis, left ischium; lm, left manus; lp left pes; lpu, left pubis; lr, left radius; lu, left ulna; md, mandible; rc, right coracoid; rfe, right femur; rfi, right fibula; rh, right humerus; ri, right ilium; rm, right manus; rr, right radius; rs, right scapula; rt, right tibiotarsus; ru, right ulna; sk, skull; ss, synsacrum.