Acastella

Acastella Temporal range: Upper Silurian to Lower Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Missing taxonomy template (fix):	Acastella
Species
A. spinosa (Salter, 1864) (type) synonyms Phacops downingiae var. spinosa, Acaste downingiae spinosa, Acastava macrocentrus A. granulosa Hollard, 1963 A. heberti (Gossellet, 1888) A. jacquemonti Hollard, 1963 A. patula Hollard, 1963 A. prima Tomczykowa, 1962 A. roualti (De Tromelin & Lebescomte, 1875) A. tanzidensis Hollard, 1963 A. tiro (R. & E. Richter, 1954)

Acastella is an extinct genus of trilobite.^[1] The genus contains six species being A. herberti, A. jacquemonti, A. prima, A. roualti, A. tanzidensis and A. tiro.