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Helicelasma
80da1a948cc4b9d1445489cb288a566a
...
Helicelasma Neuman, 1969
Source
Rank
genus
Names
1
species:4881875
Bull. geol. Instn Univ. Upsala (N. S. ) 1: 28.
Classification
Streptelasmatidae Nicholson, 1889
Helicelasma Neuman, 1969
