-
Productids died out
Bryozoa Bryozoans 79% Fenestrates, trepostomes, and
cryptostomes died out
Chordata Acanthodians 100% In
decline since the Devonian, with...
-
deposited by
ancient cyanobacteria. The reef
structure was
formed largely by
cryptostome and
trepostome bryozoa, some of the
oldest known bryozoans, but corals...
-
whole recovered in the Silurian. The hardest-hit
subgroups were the
cryptostomes and trepostomes,
which never recovered the full
extent of
their Ordovician...
-
Tolokonnikova &
Fedorov Ordovician (Sandbian) Russia ( Leningrad Oblast) A
cryptostome bryozoan.
Rorypora gunibensis Sp. nov
Valid Koromyslova Early Cretaceous...
- Canada".
Palaeontographica Canadiana. Ross, June
Phillips (1960). "Larger
Cryptostome Bryozoa of the
Ordovician and Silurian,
Anticosti Island, Canada: Part...
-
Satish C.; Barman, Prasenjit; Bharti, S.K.; Rana, Y.P. (2019). "A new
cryptostome bryozoan Ptilotrypa from the
Upper Ordovician Yong
Limestone Formation:...
- may have disappeared.
Rugose and
tabulate corals became extinct. The
cryptostome and
trepostome bryozoans also
became extinct at this time
despite their...
-
Nakrem Silurian (Wenlock)
Steinsfjorden Formation Norway An
arthrostylid cryptostome bryozoan, a
species of Mediaporina.
Megacanthopora enodata Sp. nov Valid...
- Wyse
Jackson (2012). "Homeomorphy in Lunostoma, a new
Middle Devonian cryptostome bryozoan". Paläontologische Zeitschrift. 86 (2): 135–145. doi:10.1007/s12542-011-0127-8...
- doi:10.1017/s0022336000024185. ISSN 0022-3360. S2CID 132809506. "Larger
Cryptostome Bryozoa of the
Ordovician and Silurian,
Anticosti Island, Canada". www...
