Ostendichnus Lockley et al., 2016

DESCRIPTION: Large, bilaterally symmetric, bilobed to oval impressions with scratch marks aligned parallel to sub-parallel to the long axis; depth 10 to 15% length; single central ridge common bisecting left and right troughs; may be associated with tridactyl theropod tracks.

BEHAVIOR(S): Calichnia variant - Courtship

ENVIRONMENTAL SETTINGS: Continental swampy coastal plain

POSSIBLE TRACEMAKERS: Theropod Dinosaurs

GEOLOGIC RANGE: Cretaceous