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Current identification:
Original Description
3a. Tribus: Parastephanida. Lumine annulorum ambo parallolorum simplici (non clathrato).
D. Ambobus annulis per multos (quinque aut plures) bacillos parallelos conjunctis.
DII. annulis spinosis.
IIa. spinis simplicibus.
Translation: 3a. Tribe: Parastephanida. With the apertures of both parallel rings simple (not latticed).
D. With the two rings joined by many (five'or more) parallel rods.
DII. With the rings spiny.
IIa. With the spines simple. (Translated from Latin by E.M.R. and W.R.R.)]
Editors' Notes
[Because Tympanidium Haeckel, 1887a is a junior objective synonym of Tympanium Haeckel, 1881a we consider that Campbell [1954, p.D109] subsequently designated Tympanidium foliosum Haeckel, 1887a, p.1003, pl.94, fig.1, x400 as the type species of Tympanium Haeckel, 1881a.
Haeckel, E. (1882). Entwurf eines Radiolarien-Systems auf Grund von Studien der Challenger-Radiolarien [Basis for a radiolarian classification from the study of Radiolaria of the Challenger collection]. Jenaische Zeitschrift für Naturwissenschaft. 15: 418-472. gsReferences:
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Tympanium compiled by the radiolaria@mikrotax project team viewed: 7-3-2021
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