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Protoxiphotractus

Protozoa - Spumellaria - Stylosphaeridae

Taxonomy
Protoxiphotractus was named by Pessagno (1973) [Sepkoski's age data: J Tith K Camp-l]. It is extant.

It was assigned to Stylosphaeridae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).

Synonymy list
YearName and author
1973Protoxiphotractus Pessagno
2001Protoxiphotractus De Wever et al. p. 118
2002Protoxiphotractus Sepkoski

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RankNameAuthor
—Life
—Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
RankNameAuthor
subclassRadiolaria(Müller 1858)
orderSpumellariaEhrenberg 1875
familyStylosphaeridaeHaeckel 1881
genusProtoxiphotractusPessagno 1973

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Protoxiphotractus Pessagno 1973
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: silicap
Environment: marinep
Locomotion: passively mobilep
Life habit: planktonicp
Diet: omnivorep
Created: 2005-01-28 01:13:47
Modified: 2005-01-28 03:13:47
Source: p = phylum
Reference: Kiessling 1999

Age range: base of the Late/Upper Cenomanian to the top of the Selandian or 99.60000 to 59.20000 Ma

Collections (39 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Cenomanian99.6 - 93.5Italy P. machinosus (77110) P. ventosus (77296)
Santonian86.3 - 83.6Japan (Hokkaido) P. perplexus (96039 96041)
Campanian83.6 - 72.1Japan (Hokkaido) P. perplexus (96046)
Campanian83.6 - 72.1Turkey (Antalya) P. sp. (90702)
Early/Lower Campanian83.5 - 70.6Japan (Hokkaido) P. perplexus (95789)
Late/Upper Maastrichtian70.6 - 66.0New Zealand (Marlborough) P. wilsoni (95843 95884 95885 95886 95887 95888)
Danian66.0 - 61.6New Zealand (Marlborough) P. wilsoni (95866 95873 95874 95875 95877 95878 95880 95881 95882 95883 95892 95893 95894 95895 95896 95900 95901 95902 95903 95904 95906 95907) P. wilsoni, P. perplexus (95897 95905)
Selandian61.6 - 59.2New Zealand (Marlborough) P. wilsoni (95909 95910)