Possible human homologues (MIM numbers): 174500 (trait) , 605522 (gene) , 188740 (trait)

Cross-species summary: Often called preaxial polydactyly (PPD)

Species in which this phene is found:
rock pigeon (Columba livia)
chicken (Gallus gallus)
turkey (Meleagris gallopavo)
dog (Canis lupus familiaris)
domestic cat (Felis catus)
horse (Equus caballus)
pig (Sus scrofa)
Arabian camel (Camelus dromedarius)
guanaco (Lama guanicoe)
llama (Lama glama)
Western roe deer (Capreolus capreolus)
cattle (Bos taurus)
goat (Capra hircus)
sheep (Ovis aries)
domestic guinea pig (Cavia porcellus)
alpaca (Vicugna pacos)
springbok (Antidorcas marsupialis)