PBDB Collection

Two Creeks forest bed (Pleistocene of the United States)

Where: Wisconsin (44.3° N, 87.5° W: paleocoordinates 44.3° N, 87.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• Radiocarbon dates of 11850 +/- 100 yr BP (Broecker and Farrand, 1963), 11810 +/- 100 yr BP (GSC 2166), and 11860 +/- 110 yr BP (Waterloo Wat-57).

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; unlithified peat

Size class: macrofossils

Collected in 1970, 1972

• 6.612 kg block collected in 1970, 14.513 kg block in 1972. Faunal description treats the combined fauna as a single unit.

Primary reference: A. V. Morgan and A. Morgan. 1979. The fossil Coleoptera of the Two Creeks Forest Bed, Wisconsin. Quaternary Research 12:226-240 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 169406: authorized by Matthew Clapham, entered by Matthew Clapham on 23.05.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Insecta
Diptera - Chironomidae	cf. Chironomus sp. cf. Chironomus sp. Meigen 1803 non biting midge
Diptera - Sphaeroceridae	Copromyza sp. Copromyza sp. Fallen 1820 lesser dung fly
Diptera - Muscidae	cf. Helina sp. cf. Helina sp. Robineau-Desvoidy 1830 house fly
Coleoptera - Dytiscidae	Hydroporini indet. Hydroporini indet. Aubé 1836 predaceous diving beetle
Coleoptera - Carabidae	"Carabus taedatus" = Carabus (Tanaocarabus) taedatus, Notiophilus directus, "cf. Cryobius sp." = Pterostichus (Cryobius), "Calathus ingratus" = Calathus (Neocalathus) ingratus, Asaphidion yukonense, Bembidion sp., "Bembidion grapei" = Bembidion (Peryphanes) grapii, "Bembidion mutatum" = Bembidion (Bembidion) mutatum, "Trechus apicalis" = Trechus (Trechus) apicalis, Dyschirius sp. "Carabus taedatus" = Carabus (Tanaocarabus) taedatus Fabricius 1787 ground beetle Notiophilus directus Casey 1920 ground beetle "cf. Cryobius sp." = Pterostichus (Cryobius) Chaudoir 1838 ground beetle "Calathus ingratus" = Calathus (Neocalathus) ingratus Dejean 1828 ground beetle Asaphidion yukonense Wickham 1919 ground beetle Bembidion sp. Latreille 1802 ground beetle "Bembidion grapei" = Bembidion (Peryphanes) grapii Gyllenhal 1827 ground beetle "Bembidion mutatum" = Bembidion (Bembidion) mutatum Gemminger and Harold 1868 ground beetle "Trechus apicalis" = Trechus (Trechus) apicalis Motschulsky 1845 ground beetle Dyschirius sp. Bonelli 1810 ground beetle Dyschirius globulosus Say and/or longulus LeConte
Coleoptera - Elateridae	Negastrius sp. Negastrius sp. Thomson 1859 click beetle
Coleoptera - Byrrhidae	Byrrhus sp., Cytilus sp., "Simplocaria tesselata" = Simplocaria tessellata, Curimopsis sp. Byrrhus sp. Linnaeus 1767 pill beetle Cytilus sp. Erichson 1847 pill beetle "Simplocaria tesselata" = Simplocaria tessellata Le Conte 1850 pill beetle Curimopsis sp. Ganglbauer 1902 pill beetle
Coleoptera - Chrysomelidae	Chrysomelidae indet. Chrysomelidae indet. Latreille 1802 leaf beetle
Coleoptera - Curculionidae	Curculionidae indet., Polygraphus rufipennis, Pityophthorus puberulus, Conophthorus cf. coniperda, Scolytus piceae, Phloeotribus piceae, Phloeosinus pini, "cf. Mecopeltus sp." = Pelenomus, Sitona sp. Curculionidae indet. Latreille 1802 snout beetle Polygraphus rufipennis Kirby 1837 bark beetle Pityophthorus puberulus Le Conte 1868 bark beetle Conophthorus cf. coniperda Schwarz 1895 bark beetle Scolytus piceae Swaine 1910 bark beetle Phloeotribus piceae Swaine 1911 bark beetle Phloeosinus pini Swaine 1915 bark beetle "cf. Mecopeltus sp." = Pelenomus Thomson 1859 snout beetle Sitona sp. Germar 1817 snout beetle
Coleoptera - Cryptophagidae	Cryptophagus sp. Cryptophagus sp. Herbst 1792 silken fungus beetle
Coleoptera - Cucujidae	Pediacus fuscus Pediacus fuscus Erichson 1845 beetle
Coleoptera - Latridiidae	Corticariinae indet. Corticariinae indet. Curtis 1829 minute brown scavenger beetle
Coleoptera - Scarabaeidae	Scarabaeidae indet., Aegialia spp., Aegialia lacustris, "Aegialia terminalis" = Aegialia (Psammoporus) terminalis Scarabaeidae indet. Latreille 1802 scarab beetle Aegialia spp. Latreille 1807 scarab beetle Aegialia lacustris Le Conte 1850 scarab beetle "Aegialia terminalis" = Aegialia (Psammoporus) terminalis Brown 1931 scarab beetle
Coleoptera - Staphylinidae	Aleocharinae indet., Bledius sp., Stenus spp., "Quedius caseyi" = Quedius (Microsaurus) uteanus, "Pselaphidae indet." = Pselaphinae, cf. Tachyporinae indet., cf. Eusphalerum sp., Olophrum sp., Acidota quadrata, Arpedium sp. Aleocharinae indet. Fleming 1821 rove beetle Bledius sp. Leach 1819 rove beetle Stenus spp. Latreille 1796 rove beetle "Quedius caseyi" = Quedius (Microsaurus) uteanus Casey 1915 rove beetle "Pselaphidae indet." = Pselaphinae Latreille 1802 rove beetle cf. Tachyporinae indet. MacLeay 1825 rove beetle cf. Eusphalerum sp. Kraatz 1857 rove beetle Olophrum sp. Erichson 1839 rove beetle Acidota quadrata Zetterstedt 1837 rove beetle Arpedium sp. Erichson 1839 rove beetle
Coleoptera - Hydraenidae	Ochthebius sp. Ochthebius sp. Leach 1815 minute moss beetle
Coleoptera - Leiodidae	Agathidium sp. Agathidium sp. Panzer 1797 round fungus beetle
Coleoptera - Hydrophilidae	Cercyon sp., Cercyon herceus Cercyon sp. Leach 1817 water scavenger beetle Cercyon herceus Smetana 1978 water scavenger beetle
Hymenoptera - Formicidae	Myrmica sp., Formica sp. Myrmica sp. Latreille 1804 ant Formica sp. Linnaeus 1758 ant