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Diagnostic Features
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Test small, subcircular, upper face weakly domed; slightly sunken towards peristome on lower surface.
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Apical disc small, plating lost.
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Ambulacra trigeminate; pore-pairs uniserial above, in weak arcs at the ambitus; pore zone a little sunken.
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Primary tuberles imperforate and non-crenulate; with radial ornament leasding to surrounding granules.
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Interambulacral plates with central primary tubercle, also with radial ornament.
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Peristome moderate, with shallow buccal notches.
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Distribution
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Miocene, Pakistan, ?Egypt; Upper Eocene, USA
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| Name gender |
masculine |
| Type |
Temnechinus stellatus Duncan & Sladen, 1886, p. 304, by original designation
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| Species Included |
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B. stellatus (Duncan & Sladen, 1886); Miocene, Pakistan.
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B. gajensis (Duncan & Sladen, 1886); Miocene, Pakistan.
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?B. fallax Lambert, in Lambert & Thiery, 1921; Miocene, Egypt.
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B. prestiosus (Clark, 1915); Upper Eocene, Alabama, USA
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| Classification and/or Status |
Euechinoidea; Camarodonta; Temnopleuroida; Trigonocidaridae
Subjective junior synonym of Ortholophus Duncan, 1887.
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| Remarks |
Duncan, P. M. & Sladen, W. P. 1885. The fossil Echinoidea from the Gaj or Miocene Series. Palaeontologia India series14. 1(3). 273-367, pls 44-55.
Fourtau, R. 1920. Catalogue des Invertebres fossiles de l'Egypte. Terrains Tertiaires, 2 Partie: Echinodermes Neogenes. Geological Survey of Egypt, Palaeontology Series 4. Cairo, Government Press.
Mortensen, T. (1943) A monograph of the Echinoidea Part III.2, Camarodonta 1. C. A. Reitzel, Copenhagen
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