Ga1mrd.htm (Part 2) = Radiolaria and Geological Age

M R D

Mesozoic Radiolaria Database
by Baumgartner (1995)

Radiolaria and Geologic Age
Biostratigraphic Age Assignment for Some Selected Data

(Cretaceous) Berriasian 乢 Valanginian 乢 Hauterivian 乢 Barremian 乢 Aptian.........

(Jurassic) ..... 乢 Bajocian 乢 Bathonian 乢 Callovian 乢 Oxfordian 乢 Kimmeridgian 乢 Tithonian

MRD 3012
Eucyrtidiellum unumaense unumaense
(Yao) 1979
Age : Middle Jurassic
early-middle Bajocian to middle Callovian-early Oxfordian
Example Q582
Example Q863

MRD 3013
Eucyrtidiellum unumaense pustulatum
Baumgartner 1984
Age : Middle Jurassic to Late Jurassic
latest Bajocian-early Bathonian to middle Callovian-early Oxfordian
Example Q579

MRD 3016
Eucyrtidiellum semifactum
Nagai and Mizutani 1990
Age : Middle Jurassic
latest Bajocian-early Bathonian to late Bathonian-early Callovian
Example Q577
Example Q854

MRD 3017
Eucyrtidiellum ptyctum
(Riedel and Sanfilippo) 1974
Age : Middle to Late Jurassic
latest Bajocian-early Bathonian to late Kimmeridgian-early Tithonian
Example Q623
Example Q760

MRD 3019
Eucyrtidiellum pyramis
(Aita) 1986
Age : Late Jurassic
early-early late Tithonian to latest Tithonian
Example Q576
Example Q583

MRD 3044
Stylocapsa catenarum
Matsuoka 1982
Age : Middle Jurassic
middle Bathonian to late Bathonian-early Callovian
Example Q711

MRD 3045
Stichocapsa naradaniensis
Matsuoka 1984
Age : Middle Jurassic
Middle Bathonian to late Bathonian-earlyu Callovian
Example Q720

MRD 3046
Stylocapsa(?) spiralis group
Matsuoka 1982
Age : Middle Jurassic
Middle Bathonian to late Bathonian-early Callovian
Example Q710
Example Q761
Example Q786

MRD 3048
Eucyrtidiellum(?) quinatum
Takemura 1986
Age : Middle Jurassic
Early mid Aalenian to late Bajocian
Example Q931

MRD 3061
Guexella nudata
(Kocher) 1981
Age : Middle Jurassic
Latest Bajocian-early Bathonian to middle Callovian-early Oxfordian
Example Q780

MRD 3069
Williriedellum crystallinum
Dumitrica 1970
Age : Middle Jurassic
late Bathonian-early Callovian to late Kimmeridgian-early Tithonian
Example Q633
Example Q634

MRD 3092
Acaeniotyle umbilicata
(Ruest) 1898
Age : Middle Jurassic to Early Cretaceous
late Oxfordian-early Kimmeridgigan to late Barremian-early Aptian
Example Q895

MRD 3179
Wrangellium okamurai
(Mizutani) 1981
Age : Middle Jurassic to Late Jurassic
late Bathonian-early Callovian to late Kimmeridgian-early Tithonian

MRD 3189
Pseudodictyomitra primitiva
Matsuoka and Yao 1985
Age : Middle Jurassic to Late Jurassic
Late Bathonian-early Callovian to early-early late Tithonian
Example Q587

MRD 3193
Cinguloturris carpatica
Dumitrica 1982
Age : Middle Jurassic to Late Jurassic
Late Bathonian-early Callovian to Late Kimmeridgian-early Tithonian
Example Q586
Example Q759

MRD 3195
Hsuum matsuokai
Isozaki and Matsuda 1985
Age : Middle Jurassic
early-middle Aalenian to latest Bajocian-early Bathonian
Example Q927

MRD 3241
Ristola altissima altissima
(Ruest) 1885
Age : Middle Jurassic to Late Jurassic
late Bathonian-early Callovian to early-early late Tithonian
Example Q604

MRD 3245
Parvicingula mashitaensis
Mizutani 1981
Age : late Jurassic to early Cretaceous
middle Callovian-early Oxfordian to late Berriasian-earliest Valanginian
Example Q601
Example Q603

MRD 3263
Archaeodictyomitra apiarium
(Ruest) 1885
Age : Late Jurassic to early Cretaceous
middle Callovian-early Oxfordian to late Barremian-early Aptian
Example Q719
Example Q914

MRD 3277
Theocapsomma cordis
Kocher 1981
Age : Middle Jurassic
Lattest Bajocian-early Bathonian to middle Callovian-early Oxfordian
Example Q703

MRD 3290
Protunuma(?) ochiensis
Matsuoka 1983
Age : Middle Jurassic to Early Cretaceous
Latest Bajocian-early Bathonian to early-early late Berriasian
Example Q716

MRD 3292
Protunuma japonicus Matsuoka and Yao 1985 =
Protunuma fusiformis Ichikawa and Yao 1976
Age : Middle Jurassic to Late Jurassic
Late Bathonian-early Callovian to early-early late Tithonian
Example Q557

MRD 3293
Pseudodictyomitra carpatica
(Lozyniak) 1969
Age : Late Jurassic to Early Cretaceous
Late Kimmeridgian-early Titonian to early Barremian
Example Q906

MRD 3294
Xitus gifuensis
Mizutani 1981
Age : Late Jurassic to Early Cretaceous
late Kimmeridgian-early Tithonian to early Tithonian-early Valanginian
Example Q592
Example Q617

MRD 3295
Xitus sp. aff. X. spicularius
(Aliev) 1965
Age : Late Jurassic - Early Cretaceous
Late Oxfordian-early Kimmeridgian to late Barremian-early Aptian
Example Q908

MRD 3297
Tricolocapsa conexa
Matsuoka 1983
Age : Middle Jurassic
Late Bajocian to late Bathonian-early Callovian
Example Q751
Example Q772
Example Q775

MRD 3298
Stichocapas robusta
Matsuoka 1984
Age : Middle Jurassic
Latest Bajocian-early Bathonian to late Bathonian-early Callovian
Example Q712

MRD 3305
Archaeodictyomitra minoensis
(Mizutani) 1981
Age : Middle Jurassic to Late Jurassic
Middle Late Oxfordian to Early-Early Late Tithonian
Example Q588
Example Q606

MRD 3307
Cyrtocapsa mastoidea
Yao 1979
Age : Middle Jurassic
Early MIddle Bajocian to Late Bajocian
Example Q676

MRD 3406
Mirifusus dianae baileyi
Pessagno 1977
Age : Late Jurassic
Middle-Late Oxfordian to late Kimmeridgian-early Tithonian
Example Q912

MRD 3543
Ristola (?) turpicula
Pessagno and Whalen 1982
Age : Middle Jurassic
Latest Bajocian-early Bathonian to Middle Bathonian
Example Q483

MRD 4007
Archicapsa(?) pachyderma
(Tan) 1927
Age : Middle Jurassic
Early-mid Bajocian to late Bajocian
Example Q933

MRD 4014
Dictyomitrella (?) kamoensis
Mizutani and Kido 1983
Age : Middle Jurassic
early-middle Bajocian to late Bathonian-early Callovian
Example Q784

MRD 4034
Protunuma turbo
Matsuoka 1983
Age : Middle Jurassic
Late Bajocian to late Bathonian-early Callovian
Example Q705

MRD 4045
Stylocapsa (?) hemicostata
Matsuoka 1983
Age : Middle Jurassic
Latest Bajocian-early Bathonian to middle Bathonian
Example Q715

MRD 4049
Tricolocapsa (?) fusiformis
Yao 1979
Age : Middle Jurassic
Early-Middle Bajocian to latest Bajocian-early Bathonian
Example Q677
Example Q767

MRD 4053
Tricolocapsa plicarum plicarum
Yao 1979
Age : Middle Jurassic
Late Bajocian to latest Bajocian-early Bathonian
Example Q556
Example Q679
Example Q706
Example Q808

MRD 4054
Tricolocapsa tetragona
Matsuoka 1983
Age : Middle Jurassic
Latest Bajocian-early Bathonian
Example Q754

MRD 5595
Archaeodictyomitra (?) lacrimula
(Foreman) 1973
Age : Early Cretaceous
Early-Early Late Berriasian to late Barremian-early Aptian
Example Q915

MRD 5625
Pseudodictyomitra lilyae
(Tan) 1927
Age : Early Cretaceous
Latest Valanginian-Earliest Hauterivian to late Barremian-early Aptian
Example Q901
Example Q902

MRD 5973
Pseudodictyomitra leptoconica
(Foreman) 1973
Age : Early Cretaceous
Late Barremian-Early Aptian
Example Q903

(Contents and Map) [start page] (Contents and Abbreviations)