Acastoides

Acastoides; Temporal range: 428–392 Ma PreꞒ Ꞓ 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; 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. poschmanni Basse & Müller, 2016; 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).^[3]

Taxonomy[]

Species previously assigned to Acastoides[]

A. verneuili = Calmonia terrarocenai^[4]

References[]

^ Sherwood, J.H. (1966). "A Revision of Acaste downingiae (Murchinson) and related trilobites" (PDF). Palaeontology. 9 (2): 183–207. Archived from the original (PDF) on 2011-07-16.
^ Martin Basse; Peter Müller (2016). "Trilobiten aus dem Ober-Emsium und frühen Eifelium der südlichen Lahnmulde (Rupbach-Schiefer, Leun-Schiefer und Ballersbach-Kalk)". Abhandlungen der Senckenberg Gesellschaft für Naturforschung. 572: 1–329. ISBN 978-3-510-61407-3.
^ "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[]

This Phacopida-related article is a stub. You can help Wikipedia by .

[1] Sherwood, J.H. (1966). "A Revision of Acaste downingiae (Murchinson) and related trilobites" (PDF). Palaeontology. 9 (2): 183–207. Archived from the original (PDF) on 2011-07-16.

[AbhandlungenDerSGN572-2] Martin Basse; Peter Müller (2016). "Trilobiten aus dem Ober-Emsium und frühen Eifelium der südlichen Lahnmulde (Rupbach-Schiefer, Leun-Schiefer und Ballersbach-Kalk)". Abhandlungen der Senckenberg Gesellschaft für Naturforschung. 572: 1–329. ISBN 978-3-510-61407-3.

[3] "42 (Acastoides constricta)". The Barber Institute of Fine Arts, the Lapworth Museum of Geology and the University of Birmingham Collections. Retrieved 17 March 2013.

[Acastacean-4] Edgecombe, G.D. (1993). "Silurian Acastacean trilobites of the Americas" (PDF). Journal of Paleontology. 67 (4): 535–548.

[1]

[2]

[3]

[4]