radiolaria - rads_cat - Tympanidium barbadense radiolaria - rads_cat - Tympanidium barbadense

CATALOG OF ORIGINAL DESCRIPTIONS: Tympanidium barbadense Haeckel 1887

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: rads_cat -> T -> Tympanidium -> Tympanidium barbadense
Other pages this level: T. barbadense, T. binoctonum, T. foliosum, T. spinosum, T. staurocircum

Tympanidium barbadense

Citation: Tympanidium barbadense Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.1004
Type repository: No information given
Family (traditional): Trissocyclidae
Family (modern): Acanthodesmiidae

Current identification:


Original Description

Shell with sixteen gates; the four lateral gates double, bisected by an incomplete equatorial ring. Basal gates kidney-shaped, of the same breadth as the circular mitral gates, but twice as long. Equatorial outline of the shell elliptical. All rods of the shell thin, smooth.

Transverse axis of the shell 0.12, sagittal axis 0.08. [dimensions in mm]

Etymology:
barbadensis -ense = from Barbados

Editors' Notes
Haeckel listed Tympanidium barbadense under the subgeneric name Tympanomma, but did not include the subgeneric name in the species name.

Equivalent to "Hollow cylinder," &c., Bury, 1862, Polycystins of Barbados, pl. xvi. fig. 1.

References:

Haeckel, E (1887). Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873-1876. 18: 1-1803. gs O


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Tympanidium barbadense compiled by the radiolaria@mikrotax project team viewed: 9-10-2026

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