-
Pribyl 1949
Poronileus Fortey 1975
Psilocephalinella Kobayashi 1951
Symphysurina Ulrich 1924
Symphysurus Goldfuss 1843
Varvia Thernvik 1965 The Paleobiology...
- part),
Eurekia apopsis zone,
Tangshanaspis Zone,
Parakoldinioidia zone,
Symphysurina zone
Lotagnostus americ**** (undecided)
Jiangshanian Ellipsocephaloides...
- part),
Eurekia apopsis-zone, Tangshanaspis-Zone, Parakoldinioidia-zone,
Symphysurina-zone
Lotagnostus americ**** (undecided)
Jiangshanian Ellipsocephaloides-zone...
-
Garden City
Formation United
States A
member of the
family Bathyuridae.
Symphysurina ethingtoni Sp. nov
Valid Loch &
Taylor Late
Cambrian and
Early Ordovician...
-
Whittington (2003)
placing some
genera (Hemibarrandia, Lakaspis,
Peraspis and
Symphysurina) of the
asaphid family Nileidae in the
order Corynexochida. ****mingella...
-
Suyougouia Svalbardites Svenax Sycophantia Symphyroxochus Symphysops Symphysurina (=Symphysurinella; =Symphysuroides)
Symphysurus Syndianella Synphoria...
-
rigida †
Symphysurina †
Symphysurina cleora – or
unidentified comparable form †
Symphysurina globocapitella †
Symphysurina illaenoides †
Symphysurina ****ata...
- †Subglobosochonetes †Subglobosochonetes
norquayensis †Sulcoretepora †
Symphysurina †
Symphysurina illaenoides †Syntrophopsis †Syntrophopsis
polita – or unidentified...
- †Streptelasma
expansum †Stromatocerium †Sublites †Swantonia –
tentative report †
Symphysurina †Syntrophina †Syspacephalus †Syspacephalus
cadyi – type
locality for...
- †Svalbardia
banksii †Syaptocrinus †Syaptocrinus
nintius †
Symphysurina †
Symphysurina convexa †
Symphysurina myopia – type
locality for
species †Synaptocrinus †Synaptocrinus...
