Acastoides

Acastoides Temporal range: 428–392 Ma PreЄ Є O S D C P T J K Pg N Middle Silurian (Wenlock) to Devonian (?Eifelian)

Acastoides zguilmensis, Devonian, Morocco.
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Phacopida
Suborder:	Phacopina
Superfamily:	Acastoidea
Family:	Acastidae
Genus:	Acastoides Delo, 1935
Species
A. henni (R. Richter, 1916) (type) = Acaste henni A. constricta (Salter, 1864) synonyms Phacops (Acaste) downingiae constrictus, P. constrictus, Acaste (Acastoides) constrictus^[1] A. acutilobata (Knod, 1908) A. gamonedensis A. haddadi Chatterton, Fortey, Brett, Gibb & McKellar, 2006 A. insolitus Wolfart, 1968 A. maura Alberti, 1969 A. paeckelmanni R. Richter & E. Richter, 1939 A. zguilmensis Chatterton, Fortey, Brett, Gibb & McKellar, 2006

Acastoides is an extinct genus of trilobite that lived during the Silurian and Devonian. It has been found in Bolivia, France, Morocco, Poland, Turkey and the United Kingdom.

Distribution

A. constricta is found in the Silurian of the United Kingdom (Wenlock, Woolhope Shale, Worcestershire, Malvern).^[2]

Taxonomy

Species previously assigned to Acastoides

A. verneuili = Calmonia terrarocenai^[3]

References

↑ Sherwood, J.H. (1966). "A Revision of Acaste downingiae (Murchinson) and related trilobites" (PDF). Palaeontology 9 (2): 183–207.
↑ "42 (Acastoides constricta)". The Barber Institute of Fine Arts, the Lapworth Museum of Geology and the University of Birmingham Collections. Retrieved 17 March 2013.
↑ Edgecombe, G.D. (1993). "Silurian Acastacean trilobites of the Americas" (PDF). Journal of Paleontology 67 (4): 535–548.

External links

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