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Dicroa

Protozoa - Spumellaria - Parvivaccidae

Taxonomy
Dicroa was named by Foreman (1975) [Sepkoski's age data: K Haut K Apti-u Sepkoski's reference number: 685].

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

Species
Species lacking formal opinion data

Synonymy list
YearName and author
1975Dicroa Foreman
2001Dicroa De Wever et al. p. 115
2002Dicroa Sepkoski

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RankNameAuthor
Life
Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
RankNameAuthor
subclassRadiolaria(Müller 1858)
orderSpumellariaEhrenberg 1875
familyParvivaccidaePessagno and Yang 1989
subfamilyParvivaccinaePessagno and Yang 1989
genusDicroaForeman 1975

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. †Dicroa Foreman 1975
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Dicroa periosa Foreman 1975
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 Berriasian to the top of the Early/Lower Cenomanian or 139.10000 to 93.90000 Ma

Collections (62 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Berriasian139.1 - 137.05Italy D. periosa (49119)
Late/Upper Berriasian139.1 - 137.05Oman D. periosa (125355)
Late/Upper Berriasian - Early/Lower Valanginian139.1 - 132.6Italy D. periosa (49118)
Early/Lower Valanginian137.05 - 132.6Oman D. periosa (125356)
Early/Lower Valanginian137.05 - 132.6Italy D. periosa (49117 51779 51780 51781 51782 51783 51784 51785 51786)
Late/Upper Valanginian137.05 - 132.6Italy D. periosa (51703 51704 51705 51706 51707)
Late/Upper Valanginian - Early/Lower Hauterivian137.05 - 125.77Italy D. periosa (51702)
Early/Lower Hauterivian132.6 - 125.77Italy D. periosa (49139 51698 51699 51700 51701)
Late/Upper Hauterivian132.6 - 125.77Italy D. periosa (49140 49141 49142 49143 49144 51792 51793)
Late/Upper Hauterivian - Barremian132.6 - 121.4Italy D. periosa (51697)
Late/Upper Hauterivian - Early/Lower Barremian132.6 - 121.4Italy D. periosa (49130)
Early/Lower Barremian125.77 - 121.4Italy D. periosa (49126 49127 49128 49129 51794 51800 51801 51802 51803 51804 51805)
Late/Upper Barremian125.77 - 121.4Italy D. periosa (51799)
Late/Upper Barremian - Early/Lower Aptian125.77 - 119.57Italy D. periosa (51795 51796 51797 51798)
Early/Lower Aptian121.4 - 119.57Italy D. periosa (76504 77109)
Late/Upper Aptian119.57 - 113.2Italy D. periosa (76498 77108)
Albian113.2 - 100.5USA (California) D. sp. A (54072)
Late/Upper Albian106.3 - 100.5Italy D. rara (76512 77255)
Cenomanian100.5 - 93.9Italy D. rara (78741)
Early/Lower Cenomanian100.5 - 93.9Italy D. rara (77273 77274)
Late/Upper Cenomanian100.5 - 93.9Italy D. rara (76493 77110 77177)