The Echinoid Directory

Aeolopneustes Duncan & Sladen, 1882, p. 47

Diagnostic Features
  • Test large, circular, depressed below and gently domed above.
  • Apical disc small, details unknown.
  • Ambulacra straight and broad; plating quadrigeminate subambitally, trigeminate close to peristome; compounded in pedinopsid style; pore-pairs undifferentiated; more or less uniserial. Above ambitus reported to be in almost horizontal arcs of 5-6 pore-pairs (not illustrated).
  • A single primary tubercle to each compound plate plus a smaller perradial secondary on ambital and adapical plates. Smaller secondaries and granules forming zig-zag line down perradius.
  • Interambulacral plates wider than tall; with up to four subequal primary tubercles at the ambitus, fewer adorally.
  • Tubercles imperforate and crenulate.
  • Peristome moderate, circular, sunken, with small, but clearly defined buccal notches.
  • Spines unknown.
  • Lantern unknown.
Latest Palaeocene - Lower Eocene (Ranikot Limestone), Pakistan.
Name gender neuter
Aeolopneustes delorioli Duncan & Sladen, 1882, p. 48, by original designation.
Species Included
  • Only the type species.
Classification and/or Status

Euechinoidea, Camarodonta? unnamed family (triplacidiid)

Monotypic; ?objective synonym of Eurypneustes Duncan & Sladen, 1882


Smith & Jeffery (2000) suspected that the type and only specimen is based on the oral surface of a specimen of  Eurypneustes.

Duncan, P. M. & Sladen, W. P. 1882. The fossil Echinoidea from the Ranikot Series of Nummulitic starat in western Sind. Memoirs of the Geological Survey of India, Palaeontologia Indica. Tertiary and Upper Cretaceous fossils from Western Sind, Series XIV, Vol. 1.3.

Smith, A. B. & Jeffery, C. H. 2000. Maastrichtian and Palaeocene Echinoids: a key to world faunas. Special Papers in Palaeontology 63, 1-404.