Acastella

Acastella; Temporal range: Upper Silurian to Lower Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Phacopida
Suborder:	Phacopina
Superfamily:	Acastoidea
Family:	Acastidae
Genus:	Acastella; Reed, 1925
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. jacquemonty, A. prima, A. roualti, A. tanzidensis and A. tiro.

References

^ Shergold, J.H. (1967). "A revision of Acastella spinosa (SALTER 1864) with notes on related trilobites" (PDF). Palaeontology. 10 (2): 175–188. Archived from the original (PDF) on 2013-10-29.

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