PBDB

Union Chapel Mine (Carboniferous of the United States)

Also known as Steven C. Minkin Paleozoic Footprint Site

Where: Walker County, Alabama (33.8° N, 87.2° W: paleocoordinates 12.7° S, 27.1° W)

• coordinate based on unpublished field data

• local area-level geographic resolution

When: Mary Lee coal zone Member (Pottsville Formation), Westphalian (318.1 - 306.9 Ma)

• Westphalian A

Environment/lithology: lagoonal or restricted shallow subtidal; lithified shale and lithified sandstone

Preservation: mold/impression, trace

Primary reference: H. Haubold, A. Allen, T. P. Atkinson, R. J. Buta, J. A. Lacefield, S. C. Minkin, and B. A. Relihan. 2005. Interpretation of the tetrapod footprints from the early Pennsylvanian of Alabama. Alabama Paleontological Society Monograph 1:75-111 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 81525: authorized by Mark Uhen, entered by Mark Uhen on 29.06.2008, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Selenichnites sp.⁴, Arborichnus repetita⁴ Selenichnites sp.⁴ Arborichnus repetita⁴
Trigonocarpus
-	Trigonocarpus sp.³, Trigonocarpus ampulliforme³ Trigonocarpus sp.³ Brongniart 1828 Trigonocarpus ampulliforme³ Lesquereux 1884
Cordaitopsida
- Cordaitaceae	Cordaicarpon sp.³, Artisia sp.³ Cordaicarpon sp.³ Geinitz 1862 Artisia sp.³ Sternberg 1838

Coniferales -	Lepidostrobus sp.³ Lepidostrobus sp.³ Brongniart 1828 species A & B
Pinopsida
Cordaitanthales -	Cordaites sp.³ Cordaites sp.³ Unger 1850
Myeloxylon
-	Myeloxylon sp.³ Myeloxylon sp.³ Brongniart 1849
Sphenopteridae
- Sphenopteridae	Lyginopteris hoeninghausi³, Sphenopteris elegans³, Sphenopteris pottsvillea³ Lyginopteris hoeninghausi³ Potonie 1897 Sphenopteris elegans³ Brongniart 1822 Sphenopteris pottsvillea³ Gastaldo and Boersma 1983
Holcospermum
-	Holcospermum sp.³ Holcospermum sp.³ Nathorst 1914

Lepidodendrales - Lepidodendraceae	Aspidiopsis sp.³, Lepidophloios laricinus³, Lepidostrobophyllum cf. majus³, Lepidophylloides intermedium³, Lepidodendron obovatum³, Lepidodendron aculeatum³ Aspidiopsis sp.³ Potonie 1893 Lepidophloios laricinus³ Sternberg 1820 Lepidostrobophyllum cf. majus³ Lepidophylloides intermedium³ Lindley and Hutton 1831 Lepidodendron obovatum³ Sternberg 1820 Lepidodendron aculeatum³ Sternberg 1820
Sigillariaceae
- Sigillariaceae	Syringodendron sp.³ Syringodendron sp.³ Sternberg 1820
Whittleseya elegans
-	Whittleseya elegans³ Whittleseya elegans³ Newberry 1853
Neuropteridae
- Neuropteridae	Neuralethopteris biformis³, Neuralethopteris pocahontas³, Cyclopteris sp.³ Neuralethopteris biformis³ Lesquereux 1880 Neuralethopteris pocahontas³ White 1900 Cyclopteris sp.³ Brongniart 1828
Polypodiopsida
Equisetales - Equisetidae	Calamostachys sp.³, Calamites suckowii³, Calamites goepperti³, Calamites undulatus³, Asterophyllites charaeformis³ Calamostachys sp.³ Schimper 1869 Calamites suckowii³ Brongniart 1828 Calamites goepperti³ Ettingshausen 1854 Calamites undulatus³ Sternberg 1825 Asterophyllites charaeformis³ Goeppert 1844
Pteropsida
Filicinae -	Alethopteris valida³ Alethopteris valida³ Boulay 1876
Carpolithes
-	Carpolithes sp.³ Carpolithes sp.³ Schlotheim 1820
Insecta
Dicondylia -	Palaeodictyoptera indet.¹ Palaeodictyoptera indet.¹ Goldenberg 1877 winged insect
Megasecoptera - Ancopteridae	Agaeoleptoptera uniotempla n. gen. n. sp.² Agaeoleptoptera uniotempla n. gen. n. sp.² Beckemeyer and Engel 2011 winged insect Univ. Alabama MNH PV2005.0007.0260 (UCM2368/9)
Diaphanopterodea - Namurodiaphidae	Camptodiapha atkinsoni n. gen. n. sp.² Camptodiapha atkinsoni n. gen. n. sp.² Beckemeyer and Engel 2011 winged insect McWane Science Center WSC #MSC9334 (UCM3045)
Dicondylia - Syntonopteridae	Anniedarwinia alabamensis n. gen. n. sp.² Anniedarwinia alabamensis n. gen. n. sp.² Beckemeyer and Engel 2011 winged insect Univ. Alabama MNH PV2005.7.2.252 (UCM 1076)
Undichna
-	Undichna sp.⁵ Undichna sp.⁵ Anderson 1976
Amphibia
-	Matthewichnus caudifer Matthewichnus caudifer Kohl and Bryan 1994 tetrapod
Temnospondyli -	Nanopus reidiae n. sp. Nanopus reidiae n. sp. Haubold et al. 2005 tetrapod
Temnospondyli - Dissorophidae	Attenosaurus subulensis, Cincosaurus cobbi, Notalacerta missouriensis Attenosaurus subulensis Aldrich 1930 tetrapod Cincosaurus cobbi Aldrich and Jones 1930 tetrapod Notalacerta missouriensis Butts 1891 tetrapod

Ichnofossils -	Palaeophycus sp.⁴, Arenicolites longistriatus n. sp.⁶, Treptichnus apsorum n. sp.⁶, Protovirgularia sp.⁴, Cochlichnus sp.⁴, Diplichnites gouldi⁴, Kouphichnium sp.⁴ Palaeophycus sp.⁴ Hall 1847 Arenicolites longistriatus n. sp.⁶ Rindsberg and Kopaska-Merkel 2005 Treptichnus apsorum n. sp.⁶ Rindsberg and Kopaska-Merkel 2005 Protovirgularia sp.⁴ M'Coy 1850 Cochlichnus sp.⁴ Hitchcock 1858 Diplichnites gouldi⁴ Kouphichnium sp.⁴ Nopcsa 1923

¹Atkinson 2005; ²Beckemeyer and Engel 2011; ³Dilcher et al. 2005; ⁴Lucas and Lerner 2005; ⁵Martin and Pyenson 2005; ⁶Rindsberg and Kopaska-Merkel 2005