"Seychelles"; restricted to "Seychelles; Mahé" by Siebenrock (1909b:362); erroneously listed as "Gloriosa Island, Seychelles" by Loveridge (1941:493), Laurent (1965:29), and Iverson (1986b:248), as "Gloriosa Island, Seychellen" by Wermuth and Mertens (1961:291) and as "Insel Gloriosa, Seychelles" by Wermuth and Mertens (1977:117).
Syntypes
(3 specimens) ZMH R00982; ZMH R00983; NMW 13247 (listed as type by Broadley 1981b:655 and as lectotype by Bour 1983:353).
Original name
Sternothaerus nigricans seychellensis
Common
name
Seychelles Mud Turtle
Distribution
Seychelles Islands; known only from the syntypes
Comments
Reviewed by Bour (1983). Considered synonymous with P. castaneus by Wermuth and Mertens (1977:117).