Species: gracilis (STENSIO, 1958) BLIECK, 1984
Etymology:
= Mylopteraspis gracilis STENSIO, 1958

Lectotype: NHRM n. C 1547

Locality: Usciecko, Podolia, Ukrane.

Horizon: Upper D’Iwanie Horizon, Old Red Sandstone.

Biostratigraphy:

Age: Upper Lochkovian (Upper Gedinnian) Stage, Lower Early Devonian, Early Devonian.

Material: Fragmentary head shield.

Paratypes:

NHRM n 2311 a-b: Fragmentary head shield.

Locality: Zascinocze, Ukrane.

Horizon: d’Iwanie Horizon.

Biostratigraphy:

Age: Upper Lochkovian (Upper Gedinnian) Stage, Lower Early Devonian, Early Devonian.

Material:

NHRM n. C 2307: Fragmentary head shield.

Locality: Chimelowa, Ukrane.

Horizon:

Biostratigraphy:

Age: Early Devonian.

Material:

NHRM n C2308: Fragmentary head shield.

Referred material:

Locality: Kasperowce (+ Kasperovcy), Ukrane.

Horizon: Czortkow Horizon.

Biostratigraphy:

Age: Early Devonian.

Material:

NHRM n C 1674: Fragmentary head shield.

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