Truncatoconus yichangen - Cambrospira sisensi assemblage, Yangtze Gorge, Yichang (Cambrian of China)

Where: Hubei, China (30.7° N, 111.3° E: paleocoordinates 27.0° N, 160.4° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Upper Member (Huangshandong Formation), Tommotian (530.0 - 520.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: lithified, gray, red, sandy, calcareous phosphorite

• light gray and red, calcareous and sandy phosphorites

Size class: macrofossils

Primary reference: W. Yü. 1979. Earliest Cambrian monoplacophorans and gastropods from western Hubei with their biostratigraphical significance. Acta Palaeontologica Sinica 18(3):233-270 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 56808: authorized by Pete Wagner, entered by Pete Wagner on 25.11.2005, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Helcionelloida
 Pelagiellida - Pelagiellidae
Tianzhushanospira unicarinata n. gen. n. sp. Yü 1979
 Helcionellida - Carinopeltidae
"? Bemella mirabilis n. sp." = Carinopelta mirabilis
"? Bemella mirabilis n. sp." = Carinopelta mirabilis Yü 1979
 Helcionellida - Helcionellidae
"Bemella simplex" = Securiconus simplex, Helcionella tianzhushanensis n. sp., Igorella hamata n. sp., "Yangtzespira exima n. gen. n. sp." = Oelandiella, "Centriconus lepidus n. gen. n. sp." = Prosinuites lepidus, Truncatoconus yichangensis n. gen. n. sp.
"Bemella simplex" = Securiconus simplex Yü 1979
Igorella hamata n. sp. Yü 1979
"Yangtzespira exima n. gen. n. sp." = Oelandiella
"Centriconus lepidus n. gen. n. sp." = Prosinuites lepidus Yü 1979
Truncatoconus yichangensis n. gen. n. sp. Yü 1979
 Helcionellida - Rugaeconidae
"Latouchella lauta n. sp." = Dorispira lauta
"Latouchella lauta n. sp." = Dorispira lauta Yü 1979
 Helcionellida - Coreospiridae
Latouchella cf. memorabilis Rozanov et al. 1969
Cambrospira sinensis n. gen. n. sp. Yü 1979
Granoconus trematus
  -
Granoconus trematus n. gen. n. sp.
Granoconus trematus n. gen. n. sp. Yü 1979
Xiadongoconus luminosus
  - Maikhanellidae
Xiadongoconus luminosus n. gen. n. sp.
Xiadongoconus luminosus n. gen. n. sp. Yü 1979
Archaeotremaria polytremata
  -
Archaeotremaria polytremata n. gen. n. sp. Yü 1979