▁Car bon ifer ous ▁Period ▁( P en nsylvan ian ). ▁ ▁Nova ▁Scot ia ▁at ▁this ▁time ▁was ▁a ▁sw amp , ▁similar ▁to ▁today ' s ▁Ever gl ades ▁in ▁Florida . ▁The ▁" trees " ▁( act ually ▁giant ▁club ▁m oss es ) ▁were ▁very ▁tall , ▁some , ▁such ▁as ▁Le pid od end ron , ▁up ▁to ▁ ▁tall . ▁Arch ae othy ris ▁and ▁the ▁other ▁early ▁am ni otes ▁lived ▁in ▁the ▁mo ist ▁veget ation ▁on ▁the ▁forest ▁ground , ▁together ▁with ▁the ▁more ▁terrest ri ally ▁adapted ▁lab yr inth od ont ▁am ph ib ians . ▁ ▁See ▁also ▁▁ ▁List ▁of ▁p ely c osa urs ▁ ▁E volution ▁of ▁m amm als ▁ ▁List ▁of ▁trans itional ▁foss ils ▁ ▁Car bon ifer ous ▁t et rap ods ▁ ▁References ▁ ▁Further ▁reading ▁ ▁External ▁links ▁ ▁Trans itional ▁Ver te br ate ▁F oss ils ▁- ▁includes ▁description ▁of ▁important ▁trans itional ▁gener a ▁from ▁re pt ile ▁to ▁m amm al ▁( includes ▁a ▁little ▁information ▁about ▁Arch ae othy ris ) ▁ ▁Category : O ph iac od ont ids ▁Category : E up ely c osa uria ▁gener a ▁Category : Car bon ifer ous ▁syn aps ids ▁Category : Car bon ifer ous ▁syn aps ids ▁of ▁North ▁America ▁Category : Trans itional ▁foss ils ▁Category : T ax a ▁named ▁by ▁Robert ▁R . ▁Re isz ▁Category : F oss il ▁tax a ▁described