Lepidoderma - AbsoluteAstronomy.com

Adelophthalmus is a genus of prehistoric eurypterid

Eurypterid

Eurypterids are an extinct group of arthropods related to arachnids which include the largest known arthropods that ever lived. They are members of the extinct order Eurypterida ; which is the most diverse Paleozoic chelicerate order in terms of species...

of the family Adelophthalmidae.

Description

Adelophthalmus is distinguishable by its elongate body, with spurs on the segments; its walking legs, which lack spines; and its long styliform (pointed) telson

Telson

The telson is the last division of the body of a crustacean. It is not considered a true segment because it does not arise in the embryo from teloblast areas as do real segments. It never carries any appendages, but a forked "tail" called the caudal furca is often present. Together with the...

Species

Adelophthalmus Jordan in Jordan & von Mayer, 1854

Adelophthalmus approximatus (Hall & Clarke, 1888) – Carboniferous, Pennsylvania, USA
Adelophthalmus asturica (Melendez, 1971) – Carboniferous, d’Ablana, Spain
Adelophthalmus bradorensis (Bell, 1922) – Carboniferous, N. Campbelltown
Adelophthalmus cambieri (Pruvost, 1930) – Carboniferous, Charleroi, Belgium
?Adelophthalmus carbonarius (Chernyshev, 1933) – Carboniferous, Donetsk, Ukraine
Adelophthalmus chinensis (Grabau, 1920) – Carboniferous to Permian Zhaozezhuang
Adelophthalmus corneti (Pruvost, 1939) – Carboniferous, Quaregnon, Belgium
Adelophthalmus douvillei (de Lima, 1890) – Permian, Bussaco, Portugal
Adelophthalmus dumonti (Stainier, 1917) – Carboniferous, Mechelen-sur-Meuse
Adelophthalmus granosus Jordan in Jordan & von Meyer, 1854 – Carboniferous, Saarbrücken, Germ.
Adelophthalmus imhofi (Reuss, 1855) – Carboniferous, Vlkys, Czech Rep.
Adelophthalmus irinae Shpinev, 2006 – Carboniferous, Krasnoyarsk, Russia
Adelophthalmus kidstoni (Peach, 1888) – Carboniferous, Radstock, England
?Adelophthalmus lohesti (Dewalque in Fraipont 1889) – Devonian, Pont de Bonne, Belg.
Adelophthalmus luceroensis Kues & Kietzke, 1981 – Permian, New Mexico
Adelophthalmus mansfieldi (Hall, 1877) – Carboniferous, Pennsylvania

= Eurypterus stylus Hall, 1884

Adelophthalmus mazonensis (Meek & Worthen, 1868) – Carboniferous, Illinois
Adelophthalmus moyseyi (Woodward, 1907a) – Carboniferous, Ilkeston, Blaengarw

= Eurypterus derbiensis Woodward, 1907

Adelophthalmus nebraskensis (Barbour, 1914) – Permian, Nebraska
Adelophthalmus pennsylvanicus (Hall, 1877) – Carboniferous, Pennsylvania
?Adelophthalmus ?perornatus (Peach, 1882) – Carboniferous, Glencartholm, Scotl.
Adelophthalmus pruvosti Kjellesvig-Waering, 1948b – Carboniferous, Lens, France
?Adelophthalmus raniceps Goldenberg, 1873 – Carboniferous, Saarbrücken, Germ.
Adelophthalmus sellardsi (Dunbar, 1924) – Permian, Elmo, Kansas
Adelophthalmus sievertsi (Størmer, 1969) – Devonian, Willwerath, Germ.

= ?Eurypterus trapezoides Størmer, 1974

Adelophthalmus waterstoni (Tetlie et al., 2004) – Devonian, Kimberley, Australia
Adelophthalmus wilsoni (Woodward, 1888) – Carboniferous, Radstock, England
Adelophthalmus zadrai Přibyl, 1952 – Carboniferous, Moravo-Silesia

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