Petraliella is a genus of bryozoans belonging to the family Petraliidae.
The genus has almost cosmopolitan distribution.
Species:
Petraliella africana Petraliella asanoi Petraliella bisinuata Petraliella buski Petraliella concinna Petraliella crassocirca Petraliella denticulata Petraliella dentilabris Petraliella dorsiporosa Petraliella elongata Petraliella globulata Petraliella intermediata Petraliella magna Petraliella marginata Petraliella megafera Petraliella pirikaensis Petraliella ramifica Petraliella serratilabrosa Petraliella snelliusi Petraliella tractifera Petraliella umbonata
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