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Doug,
This is an interesting item and as far as I can see
ICZN doesn't give a 100% fitting solution. You are talking about artificial
replica's I guess. Nature itself makes replica's as well, numerous examples of
type specimens exist in which the original fossil is replaced by pyritic,
calcareous, phosphoritic etc. internal or external molds. I have myself
introduced several pteropod species, based on such natural
replica's.
The most appropriate text in the Code, I think, is
73.1.4, referring to a case where an illustration is designated type specimen.
The text goes as follows:
73.1.4. Designation of an illustration of a single
specimen as a holotype is to be treated as designation of the specimen
illustrated; the fact that the specimen no longer exists or cannot be traced
does not of itself invalidate the designation.
So, in my opinion, of you designate a replica as
type specimen you do in fact nothing else than designating the original specimen
as the type. Following the sense of the code I think that the fact that the
specimen itself does no longer exist does not invalidate the designation
!
Regards,
Arie
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