Macrogrammus

Macrogrammus; Temporal range: Early Arenig
Conservation status
	Fossil
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Phacopida
Family:	Pilekiidae
Genus:	Macrogrammus

Macrogrammus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period,^[1] a faunal stage which lasted from approximately 478 to 471 million years ago. Its fossil name is Macrogrammus scylfense Whittard named after its British Collector WF Whittard in 1966.^[2]

^ ^a ^b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2006-09-05. Retrieved 2008-01-12.
^ "GB3D Type Fossils | High resolution photographs and digital models of British type fossils". www.3d-fossils.ac.uk. Retrieved 2020-07-13.

[Sepkoski2002-1] Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2006-09-05. Retrieved 2008-01-12.

[2] "GB3D Type Fossils | High resolution photographs and digital models of British type fossils". www.3d-fossils.ac.uk. Retrieved 2020-07-13.

[1]

[2]