WoRMS source details

Marais J.P. & Kilburn R.N. (2010) Ptychatractidae. Pp. 311-313, in: Marais A.P. & Seccombe A.D. (eds), Identification guide to the seashells of South Africa. Volume 1. Groenkloof: Centre for Molluscan Studies. 376 pp.
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2013-01-12 18:30:12Z
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Exilia elegans (Barnard, 1959) (identification resource)
Exilia krigei (Kilburn, 1971) (identification resource)
Metzgeria holcophorus (Barnard, 1959) (identification resource)
Ptychatractus youngi Kilburn, 1975 (identification resource)
Agulhas Bank for Metzgeria holcophorus (Barnard, 1959)  (origin: native - endemic)
Durban for Ptychatractus youngi Kilburn, 1975 
Mozambican Exclusive Economic Zone for Exilia krigei (Kilburn, 1971)  (origin: native - non-endemic)
Mozambican Exclusive Economic Zone for Ptychatractus youngi Kilburn, 1975  (origin: native - non-endemic)
Natal for Exilia elegans (Barnard, 1959)  (origin: native - endemic)
Natal for Exilia krigei (Kilburn, 1971)  (origin: native - non-endemic)
Natal for Ptychatractus youngi Kilburn, 1975  (origin: native - non-endemic)