Fig. 3From: Distant hybrids of Heliocidaris crassispina (♀) and Strongylocentrotus intermedius (♂): identification and mtDNA heteroplasmy analysisAmbulacral pore pair arrangements and numbers. a: Aboral side of test, Heliocidaris crassispina Fujian population; b: Aboral side of test, Strongylocentrotus intermedius cultured population; c: Aboral side of test, H. crassispina (♀) × S. intermedius (♂) hybrid. a: Ambulacral pore pairs, H. crassispina Fujian population; b: Ambulacral pore pairs, S. intermedius cultured population; c: Ambulacral pore pairs, H. crassispina (♀) × S. intermedius (♂) hybridsBack to article page