M R D
Mesozoic Radiolaria Database
by Baumgartner (1995)
Radiolaria and Geologic Age
Biostratigraphic Age Assignment for Some Selected Data
(Cretaceous) Berriasian _ Valanginian _
Hauterivian _ Barremian _ Aptian.........
(Jurassic) ..... _ Bajocian _ Bathonian
_ Callovian _ Oxfordian _ Kimmeridgian
_ Tithonian
MRD 3012
Eucyrtidiellum unumaense unumaense (Yao) 1979
Age : Middle Jurassic (early-mid Baj. to mid Call.-early Oxf.)
[026-028] [080] [109] [111-113] [115-118] [126] [183] [315] [390] [442]
Example Q115
Q126
MRD 3013
Eucyrtidiellum unumaense pustulatum Baumgartner 1984
Age : Middle Jurassic to Late Jurassic (latest Baj.-early Bath. to mid Call.-early Oxf.)
[015-025] [087] [096,097] [185] [313]
Example Q016
Q018
Q087
Q096
MRD 3014
Eucyrtidiellum nodosum Wakita 1988
Age : Middle Jurassic to Late Jurassic (early-mid Baj. to late Oxf.-early Kimm.)
[104]
Example Q104
MRD 3016
Eucyrtidiellum semifactum Nagai and Mizutani 1990
Age : Middle Jurassic (latest Baj.-early Bath. to late Bath.-early Call.)
[001-007] [088,089] [184] [440,441]
Example Q001
Q440
MRD 3017
Eucyrtidiellum ptyctum (Riedel and Sanfilippo) 1974
Age : Middle to Late Jurassic (latest Baj.-early Bath. to late Kimm.-early Tith.)
[008,009] [159] [391] [439] [459]
Example Q008
Q009
Q391
MRD 3019
Eucyrtidiellum pyramis (Aita) 1986
Age : Late Jurassic (early-early Tithonian to latest Tithonian)
[091]
Example Q091
MRD 3033
Napora pyramidalis Baumgartner 1984
Age : Middle Jurassic to Late Jurassic (late Aal. to late Kimm.-early Tith.)
[325]
Example Q325
MRD 3041
Zartus dickinsoni Pessagno and Blome 1980
Age : Middle Jurassic (early-middle Bajocian to late Bajocian)
[200]
Example Q200
MRD 3049
Stichocapsa japonica Yao 1979
Age : Middle Jurassic (early-mid Baj. to mid-Call.-early Oxf.)
[191] [461,462]
Example Q191
Q461
MRD 3055
Stichocapsa convexa Yao 1979
Age : Middle Jurassic to late Jurassic (early-mid Aal. to late Kimm.-early Tith.)
[348] [432]
Example Q348
MRD 3061
Guexella nudata (Kocher) 1981
Age : Middle Jurassic (latest Baj.-early Bath. to mid Call.-early Oxf.)
[316] [389] [437]
Example Q316
Q389
MRD 3069
Williriedellum crystallinum Dumitrica 1970
Age : Middle Jurassic to Late Jurassic (late Bath.-early Call. to late Kimm.-early Tith.)
[161, 162]
Example Q162
MRD 3078
Pantanellium riedeli Pessagno 1977
Age : Middle Jurassic to Late Jurassic (late Bath.-early Call. to early-early late Tith.)
[153]
Example Q153
MRD 3090
Acaeniotyle diaphorogona group Foreman 1973
sense Baumgartner 1984
Age : Middle Jurassic to early Cretaceous
(late Baj. to late Barr.-early Apt.)
[289]
Example Q289
MRD 3100
Perispyridium ordinarium Group (Pessagno) 1977
Age : Middle Jurassic to Late Jurassic (latest Baj.-early Bath. to late Kimm.-early Tith.)
[210]
Example Q210
MRD 3103
Homoeoparonaella argolidensis Baumgartner 1980
Age : Middle Jurassic to Late Jurassic (late Baj. to late Kimm.-early Tith.)
[318]
Example Q318
MRD 3104
Homoeoparonaella elegans (Pessagno) 1977
Age : Middle Jurassic to Late Jurassic (late Baj. to late Oxf.-early Kimm.)
[46, 47]
Example Q046
Q047
MRD 3113
Tritrabs ewingi s.l. (Pessagno) 1871
Age : Middle Jurassic to Early Cretaceous (late Baj. to late Barr.-early Apt.)
[132]
Example Q132
MRD 3123
Tetraditryma pseudoplena Baumgartner 1980
Age : Middle Jurassic to Late Jurassic (late Baj. to late Kimm.-early Tith.)
[58 - 61]
Example Q058
Q059
MRD 3124
Tetraditryma corralitosensis corralitosenesis (Pessagno) 1977
Age : Middle Jurassic to Late Jurassic (early mid Baj. to late Oxf.-early Kimm.)
[56, 57]
Example Q056
Q057
MRD 3151
Laxtorum(?) jurassicum Isozaki and Matsuoka 1985
Age : Early Jurassic to Middle Jurassic (late Aal. to early-middle Baj.)
[105]
Example Q105
MRD 3179
Wrangellium okamurai (Mizutani) 1981
Age : Middle Jurassic to Late Jurassic (late Bath.-early Call. to late Kimm.-early Tith.)
[145,146]
Example Q145
MRD 3195
Hsuum matsuokai Isozaki and Matsuda 1985
Age : Early Jurassic to Middle Jurassic (early-mid Aal. to late Baj.-early Bath.)
[108]
Example Q108
MRD 3213
Emiluvia chica s.l. Foreman 1973
Age : middle Jurassic to early Cretaceous (early-mid Baj. to latest Val.-earliest Haut.)
[312]
Example Q312
MRD 3231
Unuma echinatus Ichikawa and Yao 1976
Age : late Jurassic to early Cretaceous (early mid Aal. to mid Bath.)
[211]
Example Q211
MRD 3245
Parvicingula mashitaensis Mizutani 1981
Age : late Jurassic to early Cretaceous (mid Call.-early Oxf. to late Berr.-earliest Val.)
[131] [135] [150]
Example Q131
MRD 3271
Archaeohagiastrum munitum Baumgartner 1984
Age : Early Jurassic to Middle Jurassic (late Aal. to mid Call.-early Oxf.)
[48, 49] [305]
Example Q048
Q049
Q305
MRD 3277
Theocapsomma cordis Kocher 1981
Age : Middle Jurassic (latest Baj.-early Bath. to mid Call.-early Oxf.)
[356] [357,358]
Example Q356
MRD 3290
Protunuma (?) ochiensis Matsuoka 1983
Age : Middle Jurassic to early Cretaceous (Latest Baj.-early Bath. to
early-early late Berr.)
[339]
Example Q339
MRD 3292
Protunuma japonicus Matsuoka and Yao 1985
Age : Middle Jurassic to Late Jurassic (late Bath.-early Call. to early-early late Tith.)
[151] [156] [160]
Example Q151
MRD 3294
Xitus gifuensis Mizutani 1981
Age : Late Jurassic to Early Cretaceous (late Kimm.-early Tith. to early Tith.-early Val.
[139-142]
Example Q142
MRD 3305
Archaeodictyomitra minoensis (Mizutani) 1981
Age : Middle Jurassic to Late Jurassic (mid late Oxf. to early-early late Tith.)
[157,158]
Example Q157
MRD 3307
Cyrtocapsa mastoidea Yao 1979
Age : Middle Jurassic (early-mid Baj. to late Baj.)
[203] [298]
Example Q203
MRD 3413
Triactoma parablakei Yang and Wang 1990
Age : Middle Jurassic (late Baj. to late Bath.-early Call.)
[360]
Example Q360
MRD 3543
Ristola (?) turpicula Pessagno and Whalen 1982
Age : Middle Jurassic (latest Baj.-early Bath. to middle Bath.)
[297]
Example Q297
MRD 4007
Archicapsa (?) pachyderma (Tan) 1927
Age : Middle Jurassic (early-mid Baj. to late Baj.)
[472]
Example Q472
MRD 4014
Dictyomitrella (?) kamoensis Mizutani and Kido 1983
Age : Middle Jurassic (early-mid Baj. to late Bath.-early Call.)
[176] [192] [295,296] [310]
Example Q192
MRD 4028
Laxtorum (?) hichisoense
Isozaki and Matsuda 1985
Age : Early Jurassic to Middle Jurassic (early-mid Aal. to late Baj.)
[106]
Example Q106
MRD 4046
Stylocapsa lacrimalis Matsuoka 1983
Age : Middle Jurassic (mid Bath. to late Bath.-early Call.)
[352 - 354]
Example Q353
MRD 4049
Tricolocapsa (?) fusiformis Yao 1979
Age : Middle Jurassic (early-mid Baj. to latest-Baj.-early Bath.)
[187] [433]
Example Q187
MRD 4053
Tricolocapsa plicarum plicarum Yao 1979
Age : Middle Jurassic (late Baj. to latest Baj.-early Bath.)
[186] [366] [435]
Example Q186
Q366
MRD 4054
Tricolocapsa tetragona Matsuoka 1983
Age : Middle Jurassic (latest Baj. to early Bath.)
[392]
Example Q392
MRD 4072
Parvicingula dhimenaensis dhimenaensis Baumgartner 1984
Age : Middle Jurassic to Late Jurassic (early-mid Baj. to late Kimm.-early Tithon.)
[330]
Example Q330
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(Contents and Legend)