-
Sphenothallus is a
problematic extinct genus lately attributed to the conulariids. It was
widespread in
shallow marine environments during the Paleozoic...
- †Rhabdopleuroides Kozlowski, 1961 †Rhabdotubus
Bengtson & Urbanek, 1986 †
Sphenothallus Chapman, 1917 non Hall, 1847 †Stolonodendrum
Kozlowski 1938 ex Kozlowski...
- Zhao; Bernd-D.
Erdtmann (2000). "Occurrence of
Byronia Matthew and
Sphenothallus Hall in the
Lower Cambrian of China". Paläontologische Zeitschrift....
- 00241.x. Van Iten, H.; Zhu, M. Y.; Collins, D. (2002). "First
Report of
Sphenothallus Hall, 1847 in the
Middle Cambrian".
Journal of Paleontology. 76 (5):...
-
Paleontology web page [1] Vinn, O.; Kirsimäe, K. (2015). "Alleged
cnidarian Sphenothallus in the Late
Ordovician of Baltica, its
mineral composition and microstructure"...
-
Plectodiscus A
hydrozoan Hederella A
hederellid Conularia A
conulariid Sphenothallus Viriatellina A
tentaculitoid Nowakia Styliolina Tentaculites "Protospongia"...
- Bodenbender, B.E.; Wilson, M.A.; Palmer, T.J. (1989). "Paleoecology of
Sphenothallus on an
Upper Ordovician hardground". Lethaia. 22 (2): 217–225. doi:10...
- "Palaeobiogeography,
palaeoecology and
evolution of
Lower Ordovician conulariids and
Sphenothallus (Medusozoa, Cnidaria), with
emphasis on the
Fezouata Shale of southeastern...
- China.
Organisms presented by the algae, graptolites, the
cnidarian Sphenothallus, one
species of Palaeoscolecida, and arthropods,
which include aglaspidid...
- relationship.
Cambrorhytium has also been
compared to the
fossil Archotuba and
Sphenothallus. C.
elongatum has been
described to
contain an
alimentary canal in a...
