Northernmost Keku Islet (Permian of the United States)

Where: Alaska (57.0° N, 134.1° W: paleocoordinates 9.9° N, 61.0° W)

• coordinate based on nearby landmark

When: Permian (298.9 - 251.9 Ma)

Environment/lithology: lithified, black, sandy limestone

Size class: macrofossils

Collected by Wright

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 112199: authorized by Arnold Miller, entered by Sarah Kolbe on 06.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Identified by G.H. Girty.
Show authors, comments, and common names
unclassified
  -
Bulimorphia aff. peracuta
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia sp.
Leperditia sp. Rouault 1851 ostracod
Strophomenata
 Orthotetida - Derbyiidae
"? Derbya sp." = Derbyia
"? Derbya sp." = Derbyia Waagen 1884
 Orthotetida - Meekellidae
? Meekella sp.
 Productida - Echinoconchidae
"Productus aff. fasciatus" = Karavankina fasciata, "Productus aff. humboldti" = Waagenoconcha humboldti
"Productus aff. fasciatus" = Karavankina fasciata Kutorga 1844
"Productus aff. humboldti" = Waagenoconcha humboldti d'Orbigny 1842
 Productida - Linoproductidae
"Productus aff. koninckianus" = Cancrinella koninckiana, "Productus aff. cora" = Linoproductus cora, "Productus aff. lineatus" = Linoproductus lineatus
"Productus aff. koninckianus" = Cancrinella koninckiana Keyserling 1846
"Productus aff. cora" = Linoproductus cora d'Orbigny 1842
"Productus aff. lineatus" = Linoproductus lineatus Waagen 1884
 Productida - Productellidae
Productus aff. jakovlevi, Productus sp., "Productus aff. tuberculatus" = Tuberculatella tuberculata
"Productus aff. tuberculatus" = Tuberculatella tuberculata Moeller 1862
 Productida - Productidae
"Productus aff. tartaricus" = Dictyoclostus tartaricus, "Productus semireticulatus" = Dictyoclostus semireticulatus
"Productus aff. tartaricus" = Dictyoclostus tartaricus Tschernyschew 1902
"Productus semireticulatus" = Dictyoclostus semireticulatus Martin 1809
 Productida -
Marginifera aff. juresanensis
Marginifera aff. juresanensis Tschernyschew 1902
 Strophomenida - Rugosochonetidae
"Chonetes aff. trapezoidalis" = Waagenites trapezoidalis
"Chonetes aff. trapezoidalis" = Waagenites trapezoidalis Waagen 1884
Rhynchonellata
 Spiriferida - Spiriferellidae
"Spirifer ? arcticus" = Spiriferella arctica
"Spirifer ? arcticus" = Spiriferella arctica Haughton 1858
 Spiriferida - Trigonotretidae
"Spirifer cameratus" = Neospirifer cameratus
"Spirifer cameratus" = Neospirifer cameratus Morton 1836
 Spiriferida - Elythidae
Squamularia sp.
Squamularia sp. Gemmellaro 1899
 Spiriferinida - Pennospiriferinidae
"Spiriferina aff. pyramidata" = Laioporella pyramidata
"Spiriferina aff. pyramidata" = Laioporella pyramidata Tschernyschew 1902
 Rhynchonellida - Pugnacidae
Pugnax aff. utah
Pugnax aff. utah Marcou 1858
 Rhynchonellida - Stenoscismatidae
"Camarophoria aff. purdoni" = Stenoscisma purdoni
"Camarophoria aff. purdoni" = Stenoscisma purdoni Davidson 1862
 Rhynchonellida - Psilocamaridae
"Camarophoria aff. superstes" = Cyrolexis superstes
"Camarophoria aff. superstes" = Cyrolexis superstes de Verneuil 1845
 Rhynchonellida - Rhynchoporidae
Rhynchopora aff. nikitini, Rhynchopora aff. geinitziana
Rhynchopora aff. nikitini Tschernyschew 1889
Rhynchopora aff. geinitziana de Verneuil 1845
Stenolaemata
 Trepostomida - Stenoporidae
Stenopora sp.
Stenopora sp. Lonsdale 1844
 Rhabdomesida - Rhomboporidae
Rhombopora sp.
Rhombopora sp. Meek 1872
Gastropoda
 Pseudomelanoidea - Pseudomelaniidae
Pseudomelania sp.
Pseudomelania sp. Pictet and Campiche 1862 snail
 Sorbeoconcha - Capulidae
Capulus sp.
Capulus sp. Monfort 1810 snail
 Murchisoniina - Gosseletinidae
Turbonellina aff. chatzepovkensis
 Euomphalina - Euomphalidae
Straparollus sp.
Straparollus sp. de Montfort 1810 snail
 Bellerophontida - Bellerophontidae
Bellerophon sp.
Bellerophon sp. de Montfort 1808 snail
 Heterostropha - Streptacididae
"Loxonema aff. subgracilis" = Streptacis subgracilis
"Loxonema aff. subgracilis" = Streptacis subgracilis Netschajew 1894 snail
Cephalopoda
 Prolecanitida - Medlicottiidae
Medlicottia aff. orbigiana
Bivalvia
 Ostreida - Pinnidae
? Pinna sp.
? Pinna sp. Linnaeus 1758 oyster
 Pectinida - Streblochondriidae
Streblopteria sp.
Streblopteria sp. McCoy 1851 scallop
 Pectinida - Aviculopectinidae
"Aviculipecten spp." = Aviculopecten, Aviculipecten aff. mccoyi
"Aviculipecten spp." = Aviculopecten M'Coy 1851 scallop
Aviculipecten aff. mccoyi Meek and Hayden 1864 scallop
 Myalinida - Myalinidae
"Myalina aff. perattenuata" = Septimyalina perattenuata
"Myalina aff. perattenuata" = Septimyalina perattenuata Meek and Hayden 1858 clam
 Trigoniida - Schizodidae
Schizodus sp.
Schizodus sp. King 1844 clam
Foraminifera
 Fusulinoidea - Fusulinidae
"Fusulina aff. longissima" = Quasifusulina longissima
"Fusulina aff. longissima" = Quasifusulina longissima von Möller 1878