(Zone of Ventricose Triticites) - Bird Spring Fm., Arrow Canyon (Carboniferous of the United States)

Where: Clark County, Nevada (36.7° N, 114.8° W: paleocoordinates 5.4° N, 41.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bird Spring Formation, Gzhelian (303.7 - 298.9 Ma)

• Virgilian (Ventricose Triticites Zone) is equivalent to Gzhelian at Arrow Canyon (Bishop et al., 2010 Geosphere 6:1-34)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, cherty/siliceous limestone and lithified, silty limestone

Size classes: macrofossils, mesofossils

Preservation: original silica

Collection methods: bulk, chemical

Primary reference: R. L. Langenheim, Jr., B. G. Huff, E. W. Lipman and R. C. Vaiden. 1985. Preliminary report of the brachiopod fauna, Arrow Canyon section, southern Nevada, U.S.A. Xth International Congress, Carboniferous Stratigraphy and Geology, Madrid, 1983, Compte rendu 2:425-433 [N. Bonuso/P. Monarrez/P. Monarrez]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 144025: authorized by Nicole Bonuso, entered by Pedro Monarrez on 29.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Rhynchonellata
 Spiriferinida - Punctospiriferidae
 Spiriferinida - Licharewiidae
 Athyridida - Neoretziidae
 Athyridida - Athyrididae
 Rhynchonellida - Wellerellidae
Wellerella truncata Dunbar and Condra 1932
Wellerella cf. delicatula Dunbar and Condra 1932
 Spiriferida - Trigonotretidae
Neospirifer sp. Fredericks 1919
Neospirifer cf. latus Dunbar and Condra 1932
subp. ? latus
Neospirifer dunbari King 1933
subsp. alatus
 Spiriferida - Paeckelmanellidae
Paeckelmanella sp. Likharev 1934
 Spiriferida - Ingelarellidae
? Martiniopsis sp. Waagen 1883
 Spiriferida - Ambocoeliidae
Crurithyris sp. George 1931
Crurithyris expansa Dunbar and Condra 1932
 Orthida - Schizophoriidae
? Orthotichia sp. Hall and Clarke 1892
Strophomenata
 Productida - Strophalosiidae
 Productida - Paucispiniferidae
Hystriculina hystricula Dunbar and Condra 1932
 Productida - Productellidae
Antiquatonia sp. Miloradovich 1945
"Kozlowskia splendens" = Productus splendens Norwood and Pratten 1855
 Productida - Echinoconchidae
"Pulchratia cf. ovalis" = Juresania ovalis Dunbar and Condra 1932
Calliprotonia sp. Muir-Wood and Cooper 1960
n. sp.
 Productida - Linoproductidae
Linoproductus prattenianus Norwood and Pratten 1855
 Orthotetida - Derbyiidae
Derbyia crassa Meek and Hayden 1858
subsp. ? crassa
Derbyia wabaunseensis Dunbar and Condra 1932