Acutiramus

Taxobox
name = "Acutiramus"


fossil_range = Late Silurian - Early Devonian
regnum = Animalia
phylum = Arthropoda
subphylum = Chelicerata
classis = Merostomata
ordo = Gigantostraca
superfamilia = Pterygotoidea
familia = Pterygotidae
genus = "Pterygotus"
subgenus = "Acutiramus"
subdivision_ranks = Species
subdivision = * "A. bohemicus" Barrande, 1872

* "A. buffaloensis" Pohlman, 1881
* "A. cummingsi"
* "A. macrophthalmus"

"Acutiramus" is an extinct genus of eurypterid which lived in the Late Silurian (Ludlow) to Early Devonian.

"Acutiramus" was one of the largest eurypterids with pincers 5 cm and length about 2 m. Also it was relative with "Pterygotus".

Gallery

ee also

* "Pterygotus"
* Pterygotidae

References

^ [http://eurypterids.net/Pterygotids2.html http://eurypterids.net/Pterygotids2.html]

External links

* [http://eurypterids.net/Pterygotids2.html Acutiramus in Eurypterids.net]
* [http://www.biolib.cz/en/taxon/id417134/ Acutiramus at BioLib]
* [http://www.yale.edu/ypmip/taxon/chel/18609.html Pincer fossil of Pterygotus ("Acutiramus")]
* [http://www.palaeos.com/Invertebrates/Arthropods/Eurypterida/Pterygotina.html Acutiramus at Palaeos ]
* [http://images.rom.on.ca/public/index.php?function=image&action=detail&sid=&ccid= Giant sea scorpion fossil ("Acutiramus")]