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Lithatractus pusillus

Protozoa - Spumellaria

Taxonomy
Stylosphaera pusilla was named by Campbell and Clark (1944).

It was recombined as Praestylosphaera pusilla by Empson-Morin (1981); it was recombined as Lithatractus pusillus by Taketani (1982).

Synonymy list
YearName and author
1944Stylosphaera pusilla Campbell and Clark
1981Praestylosphaera pusilla Empson-Morin
1982Lithatractus pusillus Taketani

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RankNameAuthor
—Life
—Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
RankNameAuthor
subclassRadiolaria(Müller 1858)
orderSpumellariaEhrenberg 1875
genusLithatractus
speciespusillus(Campbell and Clark 1944)

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.

†Lithatractus pusillus Campbell and Clark 1944
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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 Early/Lower Barremian to the top of the Danian or 130.00000 to 61.60000 Ma

Collections (50 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Barremian130.0 - 125.45Italy Lithatractus pusillus (49127)
Early/Lower Turonian93.5 - 89.3Canada (Nunavut) Stylosphaera pusilla (165998)
Middle Turonian93.5 - 89.3Canada (Nunavut) Stylosphaera pusilla (165999)
Coniacian89.8 - 86.3Japan (Hokkaido) Lithatractus pusillus (96027 96029 96030 96032 96033)
Santonian86.3 - 83.6Japan (Hokkaido) Lithatractus pusillus (96034 96035 96036 96037 96038 96039 96040 96041)
Santonian - Early/Lower Campanian86.3 - 70.6Russian Federation (Tambov) Lithatractus pusillus (95159)
Campanian83.6 - 72.1Japan (Hokkaido) Lithatractus pusillus (96045)
Late/Upper Campanian83.5 - 70.6North Pacific Praestylosphaera pusilla (95806)
Late/Upper Maastrichtian70.6 - 66.0New Zealand (Marlborough) Stylosphaera pusilla (95846 95884 95885 95886 95887 95888)
Danian66.0 - 61.6New Zealand (Marlborough) Stylosphaera pusilla (95858 95860 95866 95870 95873 95875 95877 95878 95880 95881 95882 95883 95890 95891 95892 95893 95894 95895 95896 95897 95901 95902 95903 95904 95907)