UCMP 143 277, holotype of Macroleter agilis (Olson, 1980) in dorsal view. Anatomical abbreviations: bf: basisphenoid foramen; bs: basisphenoid; cl: clavicle; fe: femur; h: humerus; il: ilium; n: neural arch; ng: anterior groove on the postzygapophyseal buttress; r: ribs; ra: radius; sc: scapula; sk: dermal skull elements; sv: sacral vertebrae; tu: tuberosities on dermal skull elements. Diane Scott, photographer.