How to get classify results upto Species name?

Hi,
I am analyzing my 18sRNA Soil samples for Eukaryota classification. I used Silva.nr_v123.align database and silva.nr_v123.tax in alignment. In result, as i see in taxonomy file there are classification up-to class level of species but not classification up-to species name.
Please let me know how to get classification upto species names.

Example Result
#########################
OTU Size Taxonomy
Otu000001 27283 Eukaryota(100);Opisthokonta(100);Nucletmycea(100);Fungi(100);Zygomycota(100);Mucoromycotina(100);
Otu000002 24765 Eukaryota(100);SAR(100);Alveolata(100);Ciliophora(100);Intramacronucleata(100);Spirotrichea(100);
Otu000003 18535 Eukaryota(100);Opisthokonta(100);Holozoa(100);Metazoa_(Animalia)(100);Eumetazoa(100);Bilateria(100);
Otu000004 15052 Eukaryota(100);Opisthokonta(100);Holozoa(100);Metazoa_(Animalia)(100);Eumetazoa(100);Bilateria(100);

Sorry, you can’t reliably get species level names only using a SSU sequence.