Thanks for the reply @ahahn, yes none of the ex-types work for bacteria, although they do work fine for the fungal ex-holotype etc. cultures, we have. The chart below shows all the types in the ICMP by organism, they all work well except for the bacterial ones.
I straddle the world of both fungal and bacterial taxonomy and have described species under both nomenclature codes, they really are quite separate. Although rule 18b says “the type strain and may be referred to as the holotype” this never happens in practice. I searched a few major global bacterial collections, and they all use “type strain”:
I suggest adding “type strain” and “neotype strain” to your Type vocabulary. I doubt more are needed. Terms such as isotype, paratype, epitype are meaningless under the prokaryote code.
In my chart above you can also see “pathotype strain” these refer to a subspecific nomenclature the ‘pathovar standards’: https://www.isppweb.org/about_tppb_naming.asp (written by my predecessor) which is outside the formal prokaryote code. I don’t suggest adding these as they are outside the code, and the GBIF taxonomy can’t (or won’t?) deal with these names. But in case you are interested here are some examples: