Robber Islands, Trocadero Bay (Carboniferous of the United States)

Also known as 16 ACh 106

Where: Alaska (55.4° N, 133.1° W: paleocoordinates 0.2° S, 74.7° W)

• coordinate based on nearby landmark

When: Mississippian (358.9 - 323.2 Ma)

Environment/lithology: lithified limestone and lithified, black chert

• Coarsely crystalline highly fossiliferous limestone and black thin-layered chert.

Size class: macrofossils

Collected by T. Chapin

Primary reference: A. F. Buddington and T. Chapin. 1929. Geology and mineral deposits of southeastern Alaska. United States Geological Survey Bulletin 800:1-398 [A. Miller/S. Kolbe]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 112172: authorized by Arnold Miller, entered by Sarah Kolbe on 06.07.2011, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

• Identified by G.H. Girty.
unclassified
  -
Trilobita
 Proetida - Phillipsiidae
Phillipsia sp. Portlock 1843 trilobite
Rostroconchia
 Conocardiida - Conocardiidae
Conocardium sp. Bronn 1835
Gastropoda
 Euomphalina - Platyceratidae
Platyceras sp. Conrad 1840 snail
Strophomenata
 Strophomenida - Chonetidae
 Orthotetida - Orthotetidae
 Productida - Echinoconchidae
 Productida - Productellidae
"Productus giganteus" = Gigantella giganteus, Productus sp.
"Productus giganteus" = Gigantella giganteus Sowerby 1822
 Productida - Productidae
"Productus semireticulatus" = Dictyoclostus semireticulatus
"Productus semireticulatus" = Dictyoclostus semireticulatus Martin 1809
 Productida - Araksalosiidae
"? Productella aff. concentrica" = Chonetipustula concentrica
"? Productella aff. concentrica" = Chonetipustula concentrica Hall 1857
Rhynchonellata
 Spiriferida - Spiriferidae
 Spiriferida - Elythidae
"Reticularia aff. pseudolineata" = Torynifer pseudolineatus
"Reticularia aff. pseudolineata" = Torynifer pseudolineatus Hall 1858
 Rhynchonellida - Stenoscismatidae
Coledium dutroi n. sp. Grant 1965
USNM 142109 (holotype), 142111-2
Camerisma girtyi n. sp. Grant 1965
USNM 142069-71
Camerisma prava n. sp. Grant 1965
USNM 142072-74
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp. Hall and Clarke 1893
 Spiriferinida - Syringothyrididae
 Orthida - Schizophoriidae
Stenolaemata
 Cryptostomata - Fenestellidae
Fenestella sp. Lonsdale 1839
 Cryptostomata - Acanthocladiidae
 Cystoporida - Cystodictyonidae
 Trepostomida - Stenoporidae
 Trepostomata - Batostomellidae
Batostomella sp. Bassler 1911
Anthozoa
 Stauriida - Lithostrotionidae
? Lithostrotion sp. Fleming 1828 horn coral
 Stauriida - Zaphrentidae
"Zaphrentis sp." = Zaphrenthis
"Zaphrentis sp." = Zaphrenthis Rafinesque and Clifford 1820 horn coral