Megarachne

Megarachne is an extinct genus of giant eurypterids from the Pennsylvanian period. It is often misunderstood as a spider because Megarachne means "great spider"…

Megarachne
Megarachne servinei

Megarachne is an extinct genus of giant eurypterids from the Pennsylvanian period. It is often misunderstood as a spider because Megarachne means "great spider".[source?]

Description

Size

Megarachne was a large sea scorpion, however other species were bigger, such as Hibbertopterus, which can reach more than 1.5 m (59 in).[1]

Appearance

Megarachne had blade-like things on its limbs to do a feeding method called "sweep-feeding" and a second abdomen (opisthosoma) that doesn't have a known function.[2]

References

  1. ↑ Lamsdell, Braddy, James C.; Simon J. (23 April 2010). "Cope's Rule and Romer's theory: patterns of diversity and gigantism in eurypterids and Palaeozoic vertebrates". Biology Letters. 6 (2): 265–269. doi:10.1098/rsbl.2009.0700. PMC 2865068. PMID 19828493.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. ↑ Selden, Corronca, Hünicken, Paul A; José A; Mario A (22 April 2005). "The true identity of the supposed giant fossil spider Megarachne – 4. Discussion". Biology Letters. 1 (1): 44–48. doi:10.1098/rsbl.2004.0272. PMC 1629066. PMID 17148124.{{cite journal}}: CS1 maint: multiple names: authors list (link)

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