Technical Note 27:
Cenozoic Radiolarian Stratigraphy

Preliminary Pages (PDF)

Addendum, 2001 (PDF)

Introduction (PDF)

Samples (PDF)
List of samples:
Tropical radiolarian zonation

List of samples:
Middle latitude radiolarian zonation
Specimen locations: reference slides
(List below by zonal reference slide number. Also see Species Descriptions.)

Buccinosphaera invaginata (R1)
Collospheara tuberosa (R2)
Amphirhopalum ypsilon
(R3)
Anthocyrtidium angulare (R4)
Pterocanium prismatium
(R5)
Spongaster pentas
(R6)
Stichocorys peregrina
(R7, R8, R9)
Didymocyrtis penultima
(R10, R11)
Didymocyrtis antepenultima
(R12, R13, R14)
Diartus petterssoni
(R15, R16)
Dorcadospyris alata
(R17, R18, R19)
Calocycletta costata
(R20, R21)
Stichocorys wolffii
(R22, R23)
Stichocorys delmontensis
(R24, R25, R26)
Cyrtocapsella tetrapera
(R27)
Lychnocanoma elongata
(R28, R29)
Dorcadospyris ateuchus (R30, R31, R32)
Theocyrtis tuberosa (R33, R34, R35)
Cryptocarpium ornatum (R36)
Calocyclas bandyca (R37)
Cryptocarpium azyx (R38)
Podocyrtis goetheana (R39)
Podocyrtis chalara (R40)
Podocyrtis mitra (R41)
Podocyrtis ampla (R42)
Thyrsocyrtis triacantha (R43)
Dictyoprora mongolfieri (R44)
Theocotyle cryptocephala (R45)
Phormocyrtis striata striata (R46)
Buryella clinata (R47)
Bekoma bidartensis (R48)
Bekoma campechensis (R49)
Artostrobium miralestensis (R50)
Axoprunum angelinum (R51)
Eucyrtidium matuyamai (R52)
Lamprocyrtis heteroporos (R53)
Sphaeropyle langii (R54)
Stichocorys peregrina (R55)
Didymocyrtis penultima
(R56)
Didymocyrtis antepenultima (R57)
Diartus petterssoni (R58)
Dorcadospyris alata (R59)
Calocycletta costata (R60)

Zonal Definitions (PDF)
Low latitude zonation:
  Figure 1.
  Figure 2.
Middle latitude zonation:
  Figure 3.
Radiolarian events:
Descriptions of low latitude zones: (PDF)
  Quaternary
  Pliocene
  Pliocene/Late Miocene
  Late Miocene
  Middle Miocene
  Early Miocene
  Oligocene
  Late Eocene
  Middle/Late Eocene
  Middle Eocene
  Early/Middle Eocene
  Early Eocene
  Early Eocene/Paleocene
  Paleocene
Descriptions of middle latitude zones: (PDF)
  Pleistocene 
  Pliocene
  Late Miocene
  Middle Miocene
  Early Miocene

Ranges and Ages (PDF)
  Table 1. Ranges of low-latitude Neogene radiolarian zones
  Table 2. Ranges of low-latitude Paleogene radiolarian zones
  Table 3. Ranges of middle-latitude Neogene radiolarian zones
  Table 4. Absolute ages of some low-latitude radiolarian events
  Table 5. Low latitude radiolarian events
  Table 6. Middle latitude radiolarian events

Radiolarian Species Descriptions  (PDF)
List of described species (alphabetical by genus):
Classification of described species: (PDF)
Species descriptions:
A section (PDF)
  Acrobotrys tritubus
  Amphirhopalum ypsilon
  Anthocyrtidium angulare
  Artophormis barbadensis
  Artophormis gracilis
B section (PDF)
  Bekoma bidartensis
  Bekoma campechensis
  Botryostrobus aquilonaris

  Botryostrobus miralestensis
  Buccinosphaera invaginata
  Buryella clinata
  Buryella pentadica

  Buryella tetradica
C section (PDF)
  Calocyclas bandyca
  Calocyclas hispida
  Calocyclas turris
  Calocycletta caepa
  Calocycletta cladara
  Calocycletta costata
  Calocycletta robusta
  Calocycletta serrata
  Calocycletta virginis 
  Calocycloma castum
  Carpocanopsis bramlettei
  Carpocanopsis cingulata
  Carpocanopsis cristata
  Carpocanopsis favosa
  Centrobotrys gravida
  Centrobotrys petrushevskayae
  Centrobotrys thermophila
  Collosphaera tuberosa
  Cryptocarpium azyx
  Cryptocarpium ornatum
  Cyrtocapsella cornuta
  Cyrtocapsella japonica
  Cyrtocapsella tetrapera
D Section (PDF)
  Diartus hughesi
  Diartus petterssoni 
  Dictyocoryne ontongensis
  Dictyoprora armadillo
  Dictyoprora mongolfieri
  Dictyoprora pirum
  Didymocyrtis antepenultima
  Didymocyrtis avita
  Didymocyrtis laticonus
  Didymocyrtis mammifera
  Didymocyrtis penultima
  Didymocyrtis prismatica
  Didymocyrtis tetrathalamus tetrathalamus
  Didymocyrtis tubaria
  Didymocyrtis violina
  Dorcadospyris alata
  Dorcadospyris ateuchus
  Dorcadospyris dentata
  Dorcadospyris forcipata
  Dorcadospyris papilio
  Dorcadospyris pseudopapilio
E Section (PDF)
  Eucyrtidium calvertense
  Eucyrtidium diaphanes
  Eucyrtidium inflatum
  Eucyrtidium matuyamai
  Eusyringium fistuligerum
  Eusyringium lagena
L Section (PDF)
  Lamprocyrtis heteroporos
  Lamprocyrtis neoheteroporos
  Lamprocyrtis nigriniae
  Lamptonium fabaeforme chaunothorax
  Lamptonium fabaeforme constrictum
  Lamptonium fabaeforme fabaeforme
  Lamptonium pennatum
  Lamptonium sanfilippoae
  Liriospyris parkerae
  Liriospyris stauropora
  Lithocyclia angusta
  Lithocyclia aristotelis
  Lithocyclia crux
  Lithocyclia ocellus
  Lithopera bacca
  Lithopera neotera
  Lithopera renzae

  Lithopera thornburgi
  Lophocyrtis jacchia
  Lychnocanoma amphitrite
  Lychnocanoma bellum
  Lychnocanoma elongata
  Lychnocanoma trifolium
  Lychnodictyum audax
P Section (PDF)
  Phormocyrtis cubensis
  Phormocyrtis striata exquisita
  Phormocyrtis striata striata
  Phormostichoartus corbula
  Phormostichoartus doliolum
  Phormostichoartus fistula
  Podocyrtis acalles

  Podocyrtis ampla
  Podocyrtis chalara
  Podocyrtis diamesa
  Podocyrtis dorus
  Podocyrtis fasciolata
  Podocyrtis goetheana
  Podocyrtis helenae
  Podocyrtis mitra
  Podocyrtis papalis
  Podocyrtis phyxis
  Podocyrtis sinuosa
  Podocyrtis trachodes
  Pterocanium prismatium
  Pterocodon ampla
  Pterocodon ? anteclinata

  Pterocorys campanula
  Pterocorys hertwigii
S Section (PDF)
  Sethochytris triconiscus
  Siphostichartus corona
  Solenosphaera omnitubus omnitubus
  Solenosphaera omnitubus procera
  Sphaeropyle langii
  Sphaeropyle robusta 
  Spongaster berminghami
  Spongaster pentas
  Spongaster tetras tetras
  Spongatractus balbis
  Spongatractus pachystylus
  Stichocorys delmontensis
  Stichocorys johnsoni
  Stichocorys peregrina
  Stichocorys wolffii
  Stylacontarium acquilonium
  Stylatractus universus
T Section (PDF)
  Theocorys anaclasta
  Theocorys redondoensis

  Theocorythium trachelium trachelium
  Theocorythium vetulum
  Theocotyle conica
  Theocotyle cryptocephala
  Theocotyle nigriniae
  Theocotyle venezuelensis
  Theocotylissa alpha
  Theocotylissa ficus
  Theocyrtis annosa
  Theocyrtis tuberosa
  Thyrsocyrtis bromia
  Thyrsocyrtis hirsuta
  Thyrsocyrtis lochites
  Thyrsocyrtis rhizodon
  Thyrsocyrtis robusta
  Thyrsocyrtis tarsipes
  Thyrsocyrtis tensa
  Thyrsocyrtis tetracantha
  Thyrsocyrtis triacantha
  Tristylospyris triceros

References (PDF)

Indexes
  Alphabetical by genus (PDF)
  Alphabetical by species (PDF)

Note