1887 Clathrocyclas alcmenae - Haeckel p.1388, pl. 59, fig. 6
Catalog entries: Clathrocyclas alcmenae
Original description: Shell conical, with two indistinct strictures. Length of the three joints = 2: 10: 1, breadth = 2: 12: 14. Cephalis hemispherical, with two divergent, pyramidal horns; frontal horn as long as the cephalis, occipital horn of twice the length. Thorax conical, with large hexagonal meshes, increasing gradually in size towards the short abdomen, which is represented only by a single circular girdle of small, square, ahdominal pores. Coronal of the peristome with twenty to thirty triangular, divergent, nearly horizontal feet, as long as the cephalis.
Remarks on original description: Haeckel listed Clathrocyclas alcmenae under the subgeneric name Clathrocycloma, but did not include the subgeneric name in the species name.
See also Clathrocyclas europae, C. semeles, C. danaes and Eucecryphalus cuvieri in Haeckel, 1887a.[comment from RadWorld database]
Last occurrence (top): within Neogene Period (2.59-23.03Ma, top in Piacenzian stage). Data source: Lazarus et al. 2015 - "N age group"
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Lazarus et al. 2015 - "N age group"
Plot of occurrence data:
Clathrocyclas alcmenae compiled by the radiolaria@mikrotax project team viewed: 5-12-2023
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