Proaulopora

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Proaulopora
Temporal range: Lower Cambrian–Upper Ordovician
Scientific classification e
Domain: Bacteria
Phylum: Cyanobacteria
Class: Cyanophyceae
Order: Nostocales
Genus: †Proaulopora
Vologdin in Krasnopeeva, 1937
Type species
Proaulopora rarissima
Vologdin, 1937
Synonyms[1]
  • Amganella Reitlinger, 1959
  • Palaeonites Maslov, 1956
  • Tubophyllum Krasnopeeva, 1955
  • Vologdinella Korde, 1957

Proaulopora is a Cambrian–Ordovician fossil genus of calcareous algae. It has been variously thought to belong to the green algae, red algae or cyanobacteria. It was originally established by the Russian paleontologist  [ru] in 1937, for species known from the Lower Cambrian of the western Altai Mountains.[1][2]

In some older classifications of fossil algae genera, Proaulopora is placed in the family Proauloporaceae in order Proauloporales.[3][4] In 2020, the genus was assigned to the cyanobacteria order Nostocales.[5]

Proaulopora resembles some species of the extant rivulariacean genus , and has also been compared with the genus Calothrix.[2][5]

Species[]

The genus contains the following species:[6][7][5]

  • Proaulopora composita Korde, 1973
  • Proaulopora crassa Korde, 1973
  • Proaulopora extincta Korde, 1973
  • Proaulopora glabra Krasnopeeva, 1937 (Synonyms: Epiphyton (?) jacutii Maslov, 1937; Tubophyllum victori Krasnopeeva, 1955; Palaeonites jacutii Maslov, 1956; Vologdinella fragile Korde, 1957)
  • Proaulopora longa Korde, 1973
  • Proaulopora microspora Korde, 1973
  • Proaulopora ordosia Liu, et al., 2020[5]
  • Proaulopora pachydermatica Liu, Wu, Yang & Riding, 2016[2]
  • Proaulopora rarissima Vologdin, 1937 (Synonyms: Proaulopora sajanica Korde, 1960; Proaulopora flexuosa Korde, 1973)
  • Proaulopora recta Korde, 1973

As Vologdinella K.B. Korde, the following additional species are listed on AlgaeBase:[8]

  • Vologdinella grandis Korde, 1973
  • Vologdinella pulchra Korde, 1973

It is unknown whether the above species have been transferred to Proaulopora or have become synonyms.

References[]

  1. ^ a b Riding, R. (1991). "Cambrian Calcareous Cyanobacteria and Algae". In Riding, R. (ed.). Calcareous Algae and Stromatolites. Berlin, Heidelberg: Springer. pp. 305–334. doi:10.1007/978-3-642-52335-9_16. ISBN 978-3-642-52337-3.
  2. ^ a b c Liu, Lijing; Wu, Yasheng; Yang, Haijun; Riding, Robert (2016). "Ordovician calcified cyanobacteria and associated microfossils from the Tarim Basin, Northwest China: systematics and significance" (PDF). Journal of Systematic Palaeontology. 14 (3): 183–210. doi:10.1080/14772019.2015.1030128. S2CID 129684955.
  3. ^ Luchinina, V. А. (1975). Палеоальгологическая характерiiстика раннего кембрия сибирской платформы [Palaeoalgological characteristics of the Early Cambrian of the Siberian Platform] (PDF). USSR Academy of Sciences, Transactions of the Institute of Geology and Geophysics, Siberian Branch, Novosibirsk (in Russian). 216: 1–99.
  4. ^ Pospelov, A.G.; Pelman, Yu L.; Zhuravleva, L.T.; Luchinina, V.A.; Kuznetsova, V.G.; Esakova, N.V.; Ermak, V.V.; Akasarina, N.A. (1995). "Biostratigraphy of the Kiya Rives section". Annales de Paléontologie. 81 (4): 169–237.
  5. ^ a b c d Lijing Liu; Yasheng Wu; Hongping Bao; Hongxia Jiang; Lijing Zheng; Yanlong Chen (2020). "Diversity and systematics of Middle-Late Ordovician calcified cyanobacteria and associated microfossils from Ordos Basin, North China". Journal of Paleontology. 95: 1–23. doi:10.1017/jpa.2020.82. S2CID 226349226.
  6. ^ Luchinina, V. А. (1971). "R систематике рода Proaulopora Vologdin". In Voszhennikova, Т. Р. (ed.). Водоросли палеозоя и мезозоя Сибири. К III Международной палинологической конференции. [Algae of the Рaleozoic and Mezozoic of Siberia. For the III-d International Conference оп Palynology] (in Russian). Moscow: Nauka. pp. 5–8.
  7. ^ Korde, K.B. (1973). Водоросли кембрия [Cambrian algae]. Transactions of the Institute of Palaeontology (in Russian). Vol. 39. Moscow: USSR Academy of Sciences. pp. 224–235. ISSN 0376-1444.
  8. ^ Molinari Novoa, E.A. (2021). Guiry, M.D.; Guiry, G.M. (eds.). "Vologdinella K.B.Korde". AlgaeBase. National University of Ireland, Galway. Retrieved 20 July 2021.

Further reading[]

External links[]

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