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Galea galea

Galea galea Maier, 1959

Tautonym.
NOW Chiropteridium. Originally Galea (generic name illegitimate), subsequently Baltisphaeridium (acritarch), thirdly Areoligera, fourthly Areoligera?, fifthly (and now) Chiropteridium.
Taxonomic junior synonyms: Chiropteridium dispersum, Galea mespilanum and Galea levis, all according to Sarjeant (1983, p.108–109); Membranophoridium multispinatum, according to Brosius (1963, p.48); Membranophoridium (al. Chiropteridium) partispinatum, by implication in Matsuoka and Bujak (1988, p.40), who considered Chiropteridium mespilanum to be the correct name. Following I.C.N. Article 55.1, the species name Galea galea is validly published even though the generic name Galea is illegitimate.

Holotype: Maier, 1959, pl.29, fig.4; Eisenack and Kjellström, 1975b, p.88a; Fensome et al., 1995, fig.1 — p.1495.
Locus typicus: Innien, Holstein, Germany
Stratum typicum: Middle Oligocene
Translation Maier, 1959: LPP

Original diagnosis: Maier, 1959, p.306
A species of the genus Galea with following characteristics: Membrane of body granulate, bearing variable process types. Equatorial opening (archeopyl-suture-LPP) marked by thorns and ridges.
Remarks: Membrane of helmet-shaped body granulate. The thin, simple processes are irregulary distributed. Processes pointed with blunt ends or with small hooks. Dimensions: Length 55 Ám, diameter at opening 100 Ám (76 Ám).

Fensome et al., 1990, stated: "The following observations can be made: Article 68.1 of the l.C.B.N. implies that a specific epithet is to be considered valid at the date of its original proposal provided all requirements for valid publication are met, except that the generic name is illegitimate; apart from the fact that the generic name Galea is an illegitimate homonym, Maier, 1959, fulfilled all requirements for the equivalent of valid publication under the I.C.Z.N.; and the l.C.B.N. accepts all names thus published under alternate recognized codes from the dates of their valid publication (or equivalent), if these names are transferred into the jurisdiction of the l.C.B.N. Thus Baltisphaeridium (now Chiropteridium) galea (Maier, 1959) Sarjeant, 1964, is here considered to be a validly published botanical name, with priority of the specific epithet dating back to 1959. In considering Galea (as Chiropteridium) galea Maier, 1959, Galea (al. Baltisphaeridium) levis Maier, 1959 and Galea (al. Baltisphaeridium) mespilanum Maier, 1959, to be synonymous, Sarjeant, 1983, chose Galea (as Chiropteridium) galea to be the senior name; as the first synonymizing author, his choice of epithet has priority. Lentin and Williams, 1989, considered Galea (as Chiropteridium) mespilanum to be the senior name.
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