Zameus ichiharai (Yano & Tanaka, 1984)

Type locality: Suruga Bay off Okitsu, 35°02.9'N, 138°34.6'E, Japan The four samples formed a single cluster closely related to Proscymnodon plunketi (GN5607) (Supplementary Material 1). Analysis of additional sequences of P. plunketi from New Zealand (the type locality) and the southern Madagascar Ridge further support that Z. ichiharai samples from Taiwan are more closely related to Proscymnodon than Zameus squamulosus (Figure 3). Taxonomic investigation of this species is currently underway to clarify the generic relationships of the genera Zameus and Proscymnodon . This species had not been previously recorded from Taiwanese waters.

Somniosus pacificus U.S.A. Pacific Ocean GN1528 Zameus squamulosus Australia Pacific Ocean GN4986

80

Centroselachus crepidater Portugal Atlantic Ocean GN6617

100 Centroscymnus coelolepis Portugal Atlantic Ocean GN6626 Centroscymnus owstonii Portugal Atlantic Ocean GN6600

74

Scymnodon ringens Ireland Atlantic Ocean GN1703 ZameusZameus ichiharaiichiharai GN GN10228 HO HO 20111002 ck005

98.67

100 ZameusZameus ichiharaiichiharai GN10231 HO 20111002 ck012

100

ZameusZameus ichiharaiichiharaii GN10224 HO20110730ck002 98

96 ZameusZameus ichiharaiichiharaii GN10227 HO 20111002 ck004

Proscymnodon plunketi New Zealand Pacific Ocean GN5607

100 Proscymnodon plunketi New Zealand Pacific Ocean GN5621

60.67 Proscymnodon plunketi Madagascar Ridge Indian Ocean GN11707

60 Proscymnodon plunketi Madagascar Ridge Indian Ocean GN11781

Proscymnodon plunketi Madagascar Ridge Indian Ocean GN11669

65.33

Proscymnodon plunketi Madagascar Ridge Indian Ocean GN11783

0.04