Umkomaas Valley (Umk 111) (Triassic of South Africa)

Where: Kwazulu-Natal, South Africa (29.5° S, 29.5° E: paleocoordinates 62.1° S, 0.7° W)

• coordinate estimated from map

When: Molteno Formation, Carnian (237.0 - 228.0 Ma)

Environment/lithology: "channel"; gray shale

• "abandoned channel" (Anderson and Anderson 1985 (ref. 6188))
• "medium dark grey, irregularly laminated shale" (Anderson and Anderson 1985 (ref. 6188))

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. M. Anderson and H. M. Anderson. 1983. Palaeoflora of Southern Africa Molteno Formation (Triassic). Palaeoflora of Southern Africa Molteno Formation (Triassic) 1:1-227 [H. Sims/H. Lindon/H. Lindon]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 23002: authorized by Hallie Sims, entered by Heather Lindon on 08.07.2002, edited by April Kinchloe and Jered Karr

Creative Commons license: CC BY (attribution)

Taxonomic list

• habitat described as "Dicroidium riparian forest (mature)" (Anderson and Anderson 2000 (ref. 6625))
Show authors, comments, and common names
unclassified
  -
Clariphyllum sp.1, Moltenia sp.1, Kannaskopifolia sp.1, Graciliglossa sp.1, Rissikianthus sp.1, Switzianthus sp.1, Helvetianthus sp.1, Rissikistrobus sp.1, Hamshawvia sp.1, Nataligma sp.1, Cetanthus sp.1, Alexia sp.1, Dordrechtites sp.1
Gymnospermopsida
  -
Gymnospermopsida indet.1
 Corystospermales - Corystospermaceae
Dicroidium sp.1, Pteruchus sp.1, Umkomasia sp.1, Fanerotheca sp.1
Dicroidium sp.1 Gothan 1912
Pteruchus sp.1 Thomas 1933
Umkomasia sp.1 Thomas 1933
Fanerotheca sp.1 Frenguelli 1944
Peltaspermopsida
 Peltaspermales - Peltaspermaceae
Scytophyllum sp.1, Antevsia sp.1, Peltaspermum sp.1, Lepidopteris sp.1
Scytophyllum sp.1 Bornemann 1856
Antevsia sp.1 Harris 1937
Peltaspermum sp.1 Harris 1937
Lepidopteris sp.1 Schimper 1869
Gnetopsida
  -
Gontriglossa sp.1
Gontriglossa sp.1 Anderson and Anderson 1989
Cycadeoideopsida
 Cycadeoideales -
Yabeiella sp.1
Yabeiella sp.1 Oishi 1931
Pinopsida
 Pinales -
Heidiphyllum sp.1
Heidiphyllum sp.1 Retallack 1981
 Bennettitales -
Weltrichia sp.1
Weltrichia sp.1 Braun 1843
 Coniferales -
Fraxinopsis sp.1
Fraxinopsis sp.1 Wieland 1929
 Coniferales - Podocarpaceae
Rissikia sp.1
Rissikia sp.1 Townrow 1967 podocarp
unclassified
  -
Pteridophyta indet.1
Pteridophyta indet.1 Haeckel 1875
Polypodiopsida
 Polypodiales - Polypodiidae
Ctenis sp.1
Ctenis sp.1 Lindley and Hutton 1834
 Equisetales - Equisetidae
Equisetum sp.1
Equisetum sp.1 Linnaeus 1753 horsetail
Pteridopsida
  -
"Filicopsida indet." = Pteridopsida1
"Filicopsida indet." = Pteridopsida1 Ritgen 1828
Bryopsida
  -
Muscites sp.1
Muscites sp.1 Brongniart 1828
Hepaticae
 Marchantiales - Marchantiaceae
Marchantites sp.1
Marchantites sp.1 Brongniart 1849 liverwort
Kurtziana
  -
Kurtziana sp.1
Kurtziana sp.1 Frenguelli 1942
Ginkgoopsida
 Ginkgoales - Ginkgoaceae
Stachyopitys sp.1
Stachyopitys sp.1 Schenk 1867
 Ginkgoales -
Sphenobaiera sp.1
Sphenobaiera sp.1 Florin 1936
Cycadopsida
 Pteridospermales -
Chiropteris sp.1
Chiropteris sp.1 Kurr 1845 cycads
 Cycadales - Nilssoniaceae
Pseudoctenis sp.1
Pseudoctenis sp.1 Seward 1911 cycads
 Cycadales -
Taeniopteris sp.1, Anthrophyopsis sp.1
Taeniopteris sp.1 Brongniart 1828 cycads
Anthrophyopsis sp.1 Nathorst 1878 cycads
Arachnida
 Araneae -
Triassaraneus andersonorum n. gen. n. sp.3
Triassaraneus andersonorum n. gen. n. sp.3 Selden 1999 spider
PRE/F 18560
Insecta
 Dicondylia - Triassoblattidae
Triassoblatta natalensis2
Triassoblatta natalensis2 Zeuner 1960 winged insect
N-UU 411, 671ab
 Coleoptera - Ademosynidae
Ademosyne speciosa n. sp.2, Ademosyne prisca n. sp.2
Ademosyne speciosa n. sp.2 Riek 1974 beetle
N-UU 1206ab, 1208
Ademosyne prisca n. sp.2 Riek 1974 beetle
N-UU 1209
 Coleoptera - Triadocupedidae
Moltenocupes townrowi2
Moltenocupes townrowi2 Zeuner 1960 beetle
N-UU 121ab, 402ab
 Reculida - Geinitziidae
Fletchitzia picturata4
Fletchitzia picturata4 Riek 1976 winged insect
PRE/F 971
1Anderson and Anderson 2000; 2Riek 1974; 3Selden et al. 1999; 4Wappler 2000