Cryptothyrella community (Silurian of the United Kingdom)

Where: England, United Kingdom (55.2° N, 4.9° W: paleocoordinates 15.9° S, 22.4° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Llandovery (443.4 - 433.4 Ma)

• "lower Llandovery" no formation name given

Environment/lithology: marine; lithology not reported

• "terrigenous. nearshore BA2. geosynclinal"

Size class: macrofossils

Primary reference: W. S. McKerrow. 1979. Ordovician and Silurian changes in sea level. Journal of the Geological Society 136:137-144 [M. Uhen/J. Ju/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 509: authorized by Jack Sepkoski, entered by Mike Sommers on 07.01.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "McKerrow, 1978. p.103, fig.19"
Show authors, comments, and common names
Gastropoda
 Murchisoniina - Eotomariidae
Liospira sp.
Liospira sp. Ulrich and Scofield 1897 snail
 Murchisoniina - Loxonematidae
Loxonema sp.
Loxonema sp. Phillips 1841 snail
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp.
Tentaculites sp. von Schlotheim 1820
Strophomenata
 Strophomenida - Leptostrophiidae
Eostropheodonta sp.
Eostropheodonta sp. Bancroft 1949
Rhynchonellata
 Athyridida - Meristellidae
"Cryptothyrella sp." = Hindella
"Cryptothyrella sp." = Hindella Davidson 1882
 Atrypida -
"Zygospirella sp." = Zygospiraella
"Zygospirella sp." = Zygospiraella Nikiforova 1961
originally entered as "Zygospiraella sp."
 Orthida -
Orthida indet.
Orthida indet. Schuchert and Cooper 1932
2 genera of dalmanellids
Stenolaemata
 Trepostomata - Halloporidae
? Hallopora sp.
? Hallopora sp. Bassler 1911
stick bryozoans - originally entered as "? Hallopora sp."
Anthozoa
 Rugosa -
Rugosa indet.
Rugosa indet. horn coral
streptelasmid