Costistricklandia community, Clough Fm. (Silurian to of the United States)

Where: New Hampshire (43.5° N, 72.3° W: paleocoordinates 26.9° S, 41.6° W)

• coordinate based on political unit

When: Clough Formation, Llandovery to Llandovery (443.4 - 427.4 Ma)

• "upper Llandovery (C6) to lower Wenlock"

Environment/lithology: marine; metamorphosed carbonate

• "Porous weathering calc. lenses in a nearly pure orthoquartzite (some fossils preserved as garnet 'simulations'"

Size class: macrofossils

Primary reference: A. J. Boucot and J. B. Thompson, Jr. 1963. Metamorphosed Silurian brachiopods from New Hampshire. Geological Society of America Bulletin 74:1313-1334 [G. Webster/G. Webster/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 537: authorized by Arnold Miller, entered by Mike Sommers on 12.01.1999, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• "A.J. Boucot and J.B. Thompson Jr. 1963. Metamorphosed Brachiopods from New Hampshire. GSA Bull. 74:1313-1334"
Show authors, comments, and common names
unclassified
  -
Heliotidae indet., Trilobite indet.
Heliotidae indet.
heliolitid coral
Trilobite indet.
trilobite fragments
Strophomenata
 Strophomenida - Sowerbyellidae
Plectodonta sp.
Plectodonta sp. Kozlowski 1929
 Strophomenida - Rafinesquinidae
Leptaena cf. rhomboidalis
Leptaena cf. rhomboidalis Wahlenberg 1818
Leptaena cf. "rhomboidalis"
Rhynchonellata
 Spiriferida -
? Spiriferida indet.
? Spiriferida indet. Waagen 1883
originally entered as "? Rostrospiroid sp."
 Spiriferida - Delthyrididae
Howellella "sp. 2"
Howellella "sp. 2" Kozlowski 1946
 Spiriferida - Cyrtiidae
Eospirifer cf. radiatus, ? Cyrtia sp.
? Cyrtia sp. Dalman 1828
originally entered as "? Cyrtia sp."
 Pentamerida - Stricklandiidae
"Stricklandia cf. ultima" = Stricklandia lens ultima
"Stricklandia cf. ultima" = Stricklandia lens ultima Williams 1951
Stricklandia cf. lens ultima
 Atrypida - Atrypidae
Atrypa reticularis
Atrypa reticularis Linnaeus 1758
Atrypa "reticularis"
 Athyridida - Anoplothecidae
Coelospira cf. saffordi
 Orthida - Dalmanellidae
Resserella sp.
Resserella sp. Bancroft 1928
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Anthozoa
 Rugosa -
Rugosa indet.
Rugosa indet. horn coral
horn corals
 Cystiphyllida - Tryplasmatidae
? Tryplasma sp.
? Tryplasma sp. Lonsdale 1845 horn coral
originally entered as "? Tryplasma sp."
 Rugosa - Paleocyclidae
Paleocyclus cf. porpita
Paleocyclus cf. porpita Linnaeus 1767 horn coral
 Favositida - Favositidae
Favositidae indet.
Favositidae indet. Dana 1846 tabulate coral
favositid corals