Article · Wikipedia archive · Last revised Jun 30, 2026

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, 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.

Last revised
Jun 30, 2026
Read time
≈ 1 min
Length
123 w
Citations
3
Source
Wikipedia ↗
Macrogrammus
Temporal range: Early Arenig1
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: †Artiopoda
Class: †Trilobita
Order: †Phacopida
Family: †Pilekiidae
Genus: †Macrogrammus
Whittard, 1966

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

References

References

  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.