I was checking the postings and saw your messages.
Rosalienfeld is a Catholic village within the Nikolajew Area in 1911 there was 192 persons there and 419 person in 1926. There is another Rosalienfeld but that one is in the Crimean Area of Russia.
Halfinger surname I maybe able to help with. The Daitche surname not sure I would have to check my files. Oberdoerfer I think I have seen in the records.
If your ancestors were Catholic I won't be able to help but if they were Lutheran then I should be able to help some.
Also check this site out for your surnames and all their spelling variations also. http://www.odessa3.org/search.html
It is a searchable site and Daitche is in it for sure. Oh the Halbinger on the Daitche site is very likely Halfinger.
In the Query String type in the surname or village name then in the Data Category click on the arrow on the RH side there are 13 things to check out.
The Kronstadt should be the one in the Crimean Area (German is Krim for Crimea). The Marienfeld should be the one in the Taurien Area just above the Crimean Area. So maybe the Rosalienfeld you are looking for is the one in the Crimean which was founded in 1908 and was a Lutheran village in 1941 there was 84 persons there.