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Xitus spicularius

Protozoa - Nassellaria - Xitidae

Taxonomy
Dictyomitra spicularia was named by Aliev (1961).

It was recombined as Xitus spicularius by Pessagno (1977).

Sister species lacking formal opinion data
X. alius, X. channelli, X. clava, X. mclaughlini, X. normalis, X. plenus, X. spineus

Synonymy list
YearName and author
1961Dictyomitra spicularia Aliev
1977Xitus spicularius Pessagno

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RankNameAuthor
—Life
—Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
subclassRadiolaria(Müller 1858)
RankNameAuthor
superorderPolycystina(Ehrenberg 1838)
orderNassellariaEhrenberg 1875
superfamilyEucyrtidiaceaEhrenberg 1847
familyXitidaePessagno 1977
genusXitusPessagno 1977
speciesspicularius(Aliev 1961)

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.

†Xitus spicularius Aliev 1961
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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 Callovian to the top of the Early/Lower Campanian or 166.10000 to 70.60000 Ma

Collections (115 total)


Time interval Ma Country or state Original ID and collection number
Callovian166.1 - 163.5Italy Xitus spicularius (47164)
Oxfordian163.5 - 157.3Italy Xitus spicularius (47168)
Late/Upper Oxfordian161.2 - 155.7Switzerland Xitus spicularius (47162)
Late/Upper Kimmeridgian155.7 - 150.8Russian Federation (Primorskiy Kray) Xitus spicularius (92735 92737)
Tithonian152.1 - 145.0Japan Xitus spicularius (53905)
Early/Lower Tithonian150.8 - 145.0Russian Federation (Primorskiy Kray) Xitus spicularius (92745 92746 92747)
Early/Lower Tithonian - Middle Tithonian150.8 - 145.0Austria Xitus spicularius (51221 51223 51224)
Late/Upper Tithonian150.8 - 145.0Austria Xitus spicularius (51194 51203 51204 51205 51233)
Late/Upper Tithonian150.8 - 145.0Russian Federation (Primorskiy Kray) Xitus spicularius (92750 92790 92791 92792)
Middle Tithonian150.8 - 145.0Russian Federation (Primorskiy Kray) Xitus spicularius (92748)
Middle Tithonian - Late/Upper Tithonian150.8 - 145.0Austria Xitus spicularius (51192)
Late/Upper Tithonian - Early/Lower Berriasian150.8 - 140.2Austria Xitus spicularius (51208)
Early/Lower Berriasian145.0 - 140.2Philippines Xitus spicularius (51153)
Late/Upper Berriasian145.0 - 140.2Italy Xitus spicularius (49109 49119)
Berriasian145.0 - 139.8Austria Xitus spicularius (51197 51200 51201 51202 51210 51211 51213 51214)
Berriasian145.0 - 139.8Oman Xitus spicularius (47171 47172 47173 47174 47175 47176 47177 47178)
Late/Upper Berriasian - Early/Lower Valanginian145.0 - 136.4Italy Xitus spicularius (49118)
Berriasian - Valanginian145.0 - 132.9Germany Xitus spicularius (51216)
Early/Lower Valanginian140.2 - 136.4Italy Xitus spicularius (49117)
Early/Lower Valanginian140.2 - 136.4Germany Xitus spicularius (51217 51218)
Late/Upper Valanginian - Late/Upper Hauterivian140.2 - 130.0Turkey Xitus spicularius (131002)
Valanginian139.8 - 132.9Oman Xitus spicularius (47179 47180)
Valanginian - Barremian139.8 - 125.0Malaysia Xitus spicularius (69300 69301)
Early/Lower Hauterivian136.4 - 130.0Italy Xitus spicularius (49133 49134 49138 49139)
Late/Upper Hauterivian136.4 - 130.0Italy Xitus spicularius (49131 49132 49140 49141 49142 49143 49144 51792 51793)
Late/Upper Hauterivian - Early/Lower Barremian136.4 - 125.45Italy Xitus spicularius (49130)
Hauterivian - Aptian132.9 - 113.0Russian Federation Xitus spicularius (51611)
Early/Lower Barremian130.0 - 125.45Italy Xitus spicularius (49126 49127 49128 49129 51794 51800 51801 51802 51803 51804 51805)
Late/Upper Barremian130.0 - 125.45Italy Xitus spicularius (51799)
Late/Upper Barremian - Early/Lower Aptian130.0 - 122.46Italy Xitus spicularius (51795 51796 51797 51798)
Late/Upper Aptian122.46 - 113.0Italy Xitus spicularius (76513 77108)
Late/Upper Aptian - Early/Lower Albian122.46 - 109.0Russian Federation Xitus spicularius (51612)
Late/Upper Albian105.3 - 99.6Italy Xitus spicularius (76512 77178 77255)
Late/Upper Albian105.3 - 99.6USA (California) Xitus spicularius (54061)
Late/Upper Albian - Cenomanian105.3 - 93.9Malaysia Xitus spicularius (69287 69288 69289 69290 69291 69292 69293 69294 69295 69297 69298)
Cenomanian100.5 - 93.9Italy Xitus spicularius (78741)
Early/Lower Cenomanian99.6 - 93.5Italy Xitus spicularius (77273)
Late/Upper Cenomanian99.6 - 93.5Italy Xitus spicularius (76493 77177 77370 77375)
Middle Cenomanian99.6 - 93.5Italy Xitus spicularius (77291)
Late/Upper Cenomanian - Early/Lower Turonian99.6 - 89.3Poland Xitus spicularius (60310)
Turonian93.9 - 89.8Azerbaijan Xitus spicularius (165732)
Turonian93.9 - 89.8Russian Federation (Moskovskaya Oblast) Xitus spicularius (95912)
Early/Lower Turonian93.5 - 89.3Canada (Nunavut) Xitus spicularius (165998)
Late/Upper Coniacian89.3 - 85.8Germany (Bayern) Xitus spicularius (95842)
Early/Lower Campanian83.5 - 70.6Poland Xitus spicularius (95794)