Quilchena (Eocene of Canada)

Where: British Columbia, Canada (50.1° N, 120.5° W: paleocoordinates 54.8° N, 103.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Coldwater Beds Formation, Ypresian (56.0 - 47.8 Ma)

• U-Pb dating of thick tephra combined with Ar-Ar dates of sanidine from same bed. Tephra deposited within insect-bearing shales.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, tuffaceous, brown mudstone

Size classes: macrofossils, mesofossils, microfossils

Preservation: mold/impression, adpression

Primary reference: S. R. Manchester. 1992. Flowers, fruits, and pollen of Florissantia, an extinct Malvalean genus from the Eocene and Oligocene of western North America. American Journal of Botany 79(9):996-1008 [H. Wang/M. Arakaki/M. Arakaki]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 31677: authorized by Hongshan Wang, entered by Monica Arakaki on 22.05.2003, edited by Matthew Clapham, Jered Karr and Alex Aguilar

Creative Commons license: CC BY (attribution)

Taxonomic list

• A wide variety of fossils occur in rocks of both facies, including abundant fish remains, insects, and plants, and rare occurrences of molluscs, ostracods, and birds.
Pancrustacea
  -
Insecta indet.3 Linnaeus 1758 insect
Q-0093 (cf. Plecoptera or Megaloptera), 0392, 0095
Insecta
 Hemiptera - Aphididae
Aphididae indet.3 Latreille 1802 aphid
Q-0391, 0125
 Hemiptera - Cicadellidae
Cicadellidae indet.3 Latreille 1825 leafhopper
Q-0201, 0085
 Hemiptera -
Cercopoidea indet.3 Leach 1815 froghopper
Q-0083, 0077, 0078
 Hemiptera - Cixiidae
Cixiidae indet.3 Spinola 1839 cixiid planthopper
Q-0076
 Hemiptera - Ricaniidae
Ricaniidae indet.3 Amyot and Serville 1843 planthopper
Q-0102
 Hemiptera - Pentatomidae
cf. Pentatomidae indet.3 Leach 1815 stink bug
Q-0257, 0402, 0268
 Hemiptera - Cydnidae
Cydnidae indet.3 Billberg 1820 burrowing bug
Q-0194
 Hemiptera - Dinidoridae
Megymeninae indet.3 dinidorid bug
Q-0195
 Hemiptera - Gerridae
Gerridae indet.3 Leach 1815 water strider
Q-0205, 0207, 0208, 0209, 0210, 0211 "and other specimens"
 Blattodea - Blaberidae
Diplopterinae indet.3 Saussure 1864 giant cockroach
Q-0040, 0048
 Dermaptera -
Forficulina indet.3 earwig
Q-0069
 Orthoptera - Prophalangopsidae
"Prophalangopsinae indet." = Prophalangopsidae3
"Prophalangopsinae indet." = Prophalangopsidae3 Kirby 1906 hump-winged cricket
Q-0101
 Hymenoptera - Vespidae
Vespidae indet.3 Latreille 1802 wasp
Q-0034
 Hymenoptera - Formicidae
Formicidae indet.3 Latreille 1802 ant
Q-0409, 0410, 0021, 0011, 0007, 0027, and 29 others
 Hymenoptera - Halictidae
? Halictus savenyei n. sp.6 Engel and Archibald 2003 sweat bee
 Hymenoptera - Angarosphecidae
Eosphecium naumanni n. gen. n. sp.9
Eosphecium naumanni n. gen. n. sp.9 Brothers and Archibald 2000 apoid wasp
SFU Q-0423a-b collected by Ken Naumann
 Hymenoptera - Ichneumonidae
Ichneumonidae indet.3 Latreille 1802 ichneumon wasp
Q-0018, 0026, 0192, 0023, 0020, 0022, 0016 "and other specimens"
 Dicondylia -
Coleoptera indet.3 Linnaeus 1758 beetle
Q-0044, 0157
 Coleoptera - Staphylinidae
Omaliinae indet.3 MacLeay 1825 rove beetle
Q-0046, 0047
 Coleoptera - Erotylidae
cf. Erotylidae indet.3 Latreille 1802 pleasing fungus beetle
Q-0205
 Coleoptera - Curculionidae
Curculionidae indet.3 Latreille 1802 snout beetle
Q-0042,0063, 0052
 Coleoptera -
Scarabaeoidea indet.3 Latreille 1802 scarab beetle
Q-0037, 0057, 0062, 0204
 Coleoptera - Carabidae
Carabidae indet.3 Latreille 1802 ground beetle
Q-0380, 0059, 0055, 0045
cf. Amara sp.3 Bonelli 1810 ground beetle
 Mecoptera - Eorpidae
Eorpa sp.4 Archibald et al. 2013 scorpionfly
SFU Q-5032
Eorpa jurgeni n. sp.4 Archibald et al. 2013 scorpionfly
SFU Q-0096
 Diptera - Syrphidae
Syrphidae indet.3 Latreille 1802 hover fly
Q-0251, 0199
 Diptera - Pipunculidae
Pipunculidae indet.3 Zetterstedt 1842 big-headed fly
Q-0188
Pipunculinae indet.1 Zetterstedt 1842 big-headed fly
Q-0397
 Diptera - Bibionidae
Pleciinae indet.3 Duda 1930 march fly
Q-0155, 0138 "and many other specimens"
 Diptera - Mycetophilidae
Mycetophilidae indet.3 Newman 1835 fungus gnat
Q-0186, 0193, 0272, 0276, 0376, 0398
 Diptera - Tipulidae
Tipulidae indet.3 Latreille 1802 crane fly
Q-0065,0187, 0375
 Dicondylia -
Trichoptera indet.3 Kirby 1815 caddisfly
Q-0424, 0097, 0401
 Trichoptera - Phryganeidae
Phryganeidae indet.3 Leach 1815 large caddisfly
Q-0098
 Neuroptera - Hemerobiidae
Wesmaelius mathewesi n. sp.8 Makarkin et al. 2003 brown lacewing
 Neuroptera - Polystoechotidae
Polystoechotites "sp. A"2 Archibald and Makarkin 2006 giant lacewing
Q-0421 Glen Guthrie; Q-0379 Rolf Mathewes
Polystoechotites "sp. B"2 Archibald and Makarkin 2006 giant lacewing
SFU Q-0094ab Rolf Mathewes
Palaeopsychops dodgeorum7 Makarkin and Archibald 2003 giant lacewing
Palaeopsychops douglasae n. sp.2 Archibald and Makarkin 2006 giant lacewing
UAFIC7794ab; Coll. Mark Wilson
Florissantia
  -
Florissantia quilchenensis Manchester 1992
comb. nov.
Pachymerina
  -
Pachymerina indet.5 Bridwell 1929 palm bruchid
Q-0061