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Amphipternis

Protozoa - Nassellaria - Amphipyndacidae

Taxonomy
Amphipternis was named by Foreman (1973). Its type is Lithocampe clava.

It was assigned to Amphipyndacidae by Foreman (1973), De Wever et al. (2001).

Species
A. clava
Species lacking formal opinion data
A. alamedaensis

Synonymy list
YearName and author
1973Amphipternis Foreman p. 430 fig. 7
2001Amphipternis De Wever et al. p. 268

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RankNameAuthor
—Life
—Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
subclassRadiolaria(Müller 1858)
RankNameAuthor
superorderPolycystina(Ehrenberg 1838)
orderNassellariaEhrenberg 1875
superfamilyAmphipyndaceaRiedel 1967
familyAmphipyndacidaeRiedel 1967
genusAmphipternis

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. †Amphipternis Foreman 1973
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Amphipternis clava Ehrenberg 1874
Diagnosis
ReferenceDiagnosis
H. P. Foreman 1973Amphipyndacids with transverse, ring-like septum as in Amphipyndax. Collar structures (apical and vertical bars) depend from this septum into thoracic cavity where the primary and secondary lateral bars join the thoracic wall.
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

Maximum range based only on fossils: base of the Late/Upper Maastrichtian to the top of the Selandian or 72.20000 to 59.24000 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma

Collections (41 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian72.2 - 66.0New Zealand (Marlborough) A. alamedaensis (95843 95848 95884 95885 95886 95887 95888) A. alamedaensis, A. clava (95845) A. clava (95847)
Danian66.0 - 61.66New Zealand (Marlborough) A. alamedaensis (95852 95853 95854 95857 95859 95866 95869 95870 95872 95874 95875 95877 95878 95879 95880 95881 95882 95883 95890 95892 95893 95894 95895 95896 95900 95901 95902 95903 95906 95907) A. alamedaensis, A. clava (95858)
Selandian61.66 - 59.24New Zealand (Marlborough) A. alamedaensis (95909)