Bessalis Roman square brick, approximately 0.66 feet diameter
Bipedalis Roman square brick, approximately 2 feet diameter
Coin diameters 5p - 18.0mm, 1p - 20.3mm, 10p - 24.4mm, 2p - 25.9mm
Gait Mode of progression: e.g. walk, run, canter, 2 track bound, 4 track bound, gallop etc
Hallux First digit of a bird's foot, usually points backwards. (Equivalent to our big toe)
Ichnology The study of animal traces
Ichnospecies Species identified from its footprints. It may not be identical to the Linnaen species it is named after - e.g. it may refer to a more narrowly or widely defined population.
Lydion Rectangular Roman brick, width approximately 0.66 feet.
Manus Front foot of quadruped
Pedalis Roman square brick, approximately 1 foot diameter
Pes Hind foot of quadruped
Print Imprint of one foot
Print Group Section of a track containing a print from each foot
Print Length Greatest proximo-distal dimension (Overall length of a print, along its main axis, but not necessarily parallel to the track)
Print Width Overall width of a print, perpendicular to its length
Sesquipedalis Roman square brick approximately 1.5 feet diameter
Straddle Diameter of track at its widest point, measured across the oter edges of the footprints.
Stride Distance between consecutive prints of the same foot in a track, measured from the same point on each foot
Trace Imprint other than footprint, e.g. tail swipe or wingtip
Track Continuous series of prints, from which stride and straddle measurements can be made, and gait estimated