The Maryland Amphibian and Reptile Atlas: A Volunteer-Based Distributional Survey

Table 3

Mean number of presence records per class/order per quad. Number of quads = 232.

Class/order	Mean	SD
Amphibia/Anura	27.43	26.03
Amphibia/Caudata	6.59	8.35
Reptilia/Squamata-Lacertilia	1.73	3.65
Reptilia/Squamata-Serpentes	12.62	13.70
Reptilia/Testudines	11.42	11.37