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The Echinoid Directory

Leptosalenia Smith & Wright, 1990, p. 134

Diagnostic Features
  • Apical disc raised and smooth, usually with small sutural pits.
  • Periproct as large as suranal plate; offset towards ocular I, which borders the opening.
  • Ambulacral zones narrow with only primary tubercles filling the space between pore-pairs; plating strictly bigeminate.
  • Primary tubercles with small imperforate mamelons; crenulate. Scrobicular tubercles absent from adradial side.
Distribution
Cretaceous (Early Aptian to Turonian) of Europe, North America, North Africa, the Middle East and India.
Name gender feminine
Type
Salenia prestensis Desor, 1856, by original designation.
Species Included
  • L. prestensis (Desor, 1856); Aptian of England and France, ?Late Barremian of France.
  • L. faringdonensis Smith & Wright, 1990; Late Aptian of England.
  • L. arabica Fourtau 1921; Aptian of Egypt.
  • L. texana (Credner 1875); Albian of the USA.
  • L. mexicana Schluter 1887; Albian of the USA.
  • L. volana Whitney 1916; Cenomanian of the USA.
  • L. plana Fourtau 1921; Cenomanian of Egypt.
  • L. keatingei (Fourtau, 1917); Turonian, India
Classification and/or Status

Salenioida; Saleniidae; Saleniinae.

Possibly paraphyletic.
Remarks

Distinguished from the closely similar Salenia by its very narrow ambulacra and lack of perradial granulation.

May also include Salenia mathuri Chiplonker; Cenomanian of India and Salenia humei Fourtau; Albian of Egypt.

Smith, A. B. & Wright, C. W. 1990. British Cretaceous Echinoids. Part 2, Echinothurioida, Diadematoida and Stirodonta (1, Calycina). Monograph of the Palaeontographical Society 101-198, pls 33-72 (publication number 583, part of volume 143 for 1989).