14 Botryllids around Shimoda
Botryllus primigenus Oka
Botryllus horridus Saito and Okuyama
Botryllus puniceus Saito and Nagasawa
Botryllus scalaris Saito and Mukai
Botryllus sexiens Saito and Watanabe
Botryllus delicatus Okuyama and Saito
Botryllus schlosseri Pallas
Botryllus promiscuus Okuyama and Saito
Botrylloides simodensis Saito and Watanabe
Botrylloides praelongus Atsumi and Saito
Botrylloides lentus Saito and Watanabe
Botrylloides fuscus Saito and Watanabe
Botrylloides lenis Saito and Watanabe
Botrylloides violaceus Oka