East of Madre de Dios Island, Trocadero Bay (Carboniferous of the United States)

Also known as 2434a (16 ACh 105)

Where: Alaska (55.4° N, 133.1° W: paleocoordinates 0.5° S, 74.3° 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 112171: authorized by Arnold Miller, entered by Sarah Kolbe on 06.07.2011, edited by Matthew Clapham and Phil Novack-Gottshall

Creative Commons license: CC BY (attribution)

Taxonomic list

• Identified by G.H. Girty.
Show authors, comments, and common names
Foraminifera
 Fusulinoidea - Fusulinidae
? Fusulinella sp.
? Fusulinella sp. Moeller 1878
 Endothyroidea - Endothyridae
Endothyra aff. bowmani
Endothyra aff. bowmani Phillips 1846
Gastropoda
  -
Gastropoda indet.2
Gastropoda indet.2 Cuvier 1795 snail
 Euomphalina - Platyceratidae
Platyceras sp.
Platyceras sp. Conrad 1840 snail
 Euomphalina - Euomphalidae
Euomphalus sp.
Euomphalus sp. Sowerby 1814 snail
 Murchisoniina - Soleniscidae
Bulimorpha sp.
Bulimorpha sp. Whitfield 1882 snail
 Neritoidea - Naticopsidae
? Naticopsis sp.
? Naticopsis sp. M'Coy 1844 snail
Cephalopoda
 Goniatitida - Goniatitidae
Goniatites sp.
Goniatites sp. Haan 1825 ammonite
 Goniatitida - Gastrioceratidae
Gastrioceras sp.
Gastrioceras sp. Hyatt 1884 ammonite
 Nautilida -
Nautilida indet.1
Nautilida indet.1 Agassiz 1847 nautiloid
 Orthocerida - Orthoceratidae
Orthoceras sp.
Orthoceras sp. Breynius 1832
Bivalvia
 Pectinida - Aviculopectinidae
"Aviculipecten spp." = Aviculopecten
"Aviculipecten spp." = Aviculopecten M'Coy 1851 scallop
 Pectinida - Pterinopectinidae
Pterinopecten sp.
Pterinopecten sp. Hall 1883 scallop
 Ostreida - Pterineidae
? Caneyella sp., Leptodesma sp.
? Caneyella sp. Girty 1910 oyster
Leptodesma sp. Hall 1883 oyster
 Pholadomyida - Edmondiidae
Edmondia sp.
Edmondia sp. de Koninck 1841 clam
 Cardiidia - Grammysiidae
? Sphenotus sp., ? Cardiomorpha sp.
? Sphenotus sp. Hall 1884 clam
? Cardiomorpha sp. de Koninck 1844 clam
Strophomenata
 Orthotetida - Schuchertellidae
Streptorhynchus sp.
 Orthotetida - Orthotetidae
? Orthotetes sp.
 Productida - Cyclacanthariidae
"? Tegulifera sp." = Teguliferina
"? Tegulifera sp." = Teguliferina Schuchert and LeVene 1929
 Productida - Echinoconchidae
Pustula aff. eximia, Pustula aff. distorta, Pustula aff. spinulosa, Pustula sp.
 Productida - Linoproductidae
"Productus aff. undatus" = Fluctuaria undata
"Productus aff. undatus" = Fluctuaria undata Defrance 1826
 Productida - Productidae
"Productus semireticulatus" = Dictyoclostus semireticulatus
"Productus semireticulatus" = Dictyoclostus semireticulatus Martin 1809
 Productida - Productellidae
Diaphragmus sp.
Diaphragmus sp. Girty 1910
Rhynchonellata
 Rhynchonellida - Petasmariidae
Shumardella missouriensis
 Athyridida - Athyrididae
Cleiothyridina aff. sublamellosa, Composita sp.
Composita sp. Brown 1849
 Athyridida - Retziidae
Eumetria verneuiliana
 Spiriferida - Spiriferidae
Spirifer aff. pellensis, "Brachythyris aff. suborbicularis" = Spirifer suborbicularis
"Brachythyris aff. suborbicularis" = Spirifer suborbicularis Hall 1858
 Spiriferida - Martiniidae
Martinia sp.
Martinia sp. M'Coy 1844
 Spiriferida - Brachythyrididae
Brachythyris sp.
Brachythyris sp. M'Coy 1844
 Terebratulida - Cranaenidae
Girtyella sp.
Girtyella sp. Weller 1911
 Orthida - Schizophoriidae
Schizophoria sp.
Schizophoria sp. King 1850
Stenolaemata
 Trepostomata - Batostomellidae
Batostomella sp.
Batostomella sp. Bassler 1911
 Cystoporida - Goniocladiidae
? Goniocladia sp.
? Goniocladia sp. Etheridge 1876
 Cystoporida - Cystodictyonidae
Cystodictya aff. pustulosa
 Rhabdomesida - Rhabdomesidae
Rhabdomeson sp., Coeloconus sp.
Coeloconus sp. Ulrich 1889
 Cystoporata - Fistuliporidae
Fistulipora sp.
Fistulipora sp. McCoy 1850
 Cryptostomata - Acanthocladiidae
Polypora sp., "Pinnatopora sp." = Penniretepora
"Pinnatopora sp." = Penniretepora
 Cryptostomata - Fenestellidae
Fenestella sp.
Fenestella sp. Lonsdale 1839
Ostracoda
 Platycopida - Paraparchitidae
Paraparchites sp.
Paraparchites sp. Ulrich and Bassler 1906 ostracod
 Podocopida - Bairdiidae
Bairdia sp.
Bairdia sp. M'Coy 1844 ostracod
Trilobita
 Proetida - Phillipsiidae
Griffithides sp.
Griffithides sp. Portlock 1843 trilobite
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
1Clapham 2015; 2Wagner 2023