Biology:Mycocaliciaceae

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Short description: Family of fungi

Mycocaliciaceae
Phaeocalicium polyporaeum-x.jpg
Phaeocalicium polyporaeum, member of the family Mycocaliciaceae
Scientific classification e
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Eurotiomycetes
Order: Mycocaliciales
Family: Mycocaliciaceae
A.F.W.Schmidt (1970)
Type genus
Mycocalicium
Vain. (1890)
Genera

Brunneocarpos
Chaenothecopsis
Mycocalicium
Phaeocalicium
Pyrgidium
Sphinctrina
Stenocybe

Synonyms[1]
  • Sphinctrinaceae M.Choisy (1950)

The Mycocaliciaceae are a family of seven genera and about 90 species of fungi in the order Mycocaliciales.

Taxonomy

Calicioid fungi are a heterogeneous assemblage of fungi sharing the presence of a mazaedium, a structure in which loose masses of ascospores accumulate and which then are passively disseminated. Before 1970, the presence of a mazaedium was considered to be the defining trait of the order Caliciales, historically considered to be a monophyletic group.[2] Mycocaliciaceae was circumscribed in 1970 by the lichenologist Alexander Schmidt. He showed that some of the genera that had been traditionally classified in the Caliciales had active spore dispersal rather than a mazaedium. He resurrected Chaenothecopsis, Mycocalicium and Strongyleuma, accepted Stenocybe and described the new genus Phaeocalicium.[3] The Mycocaliciaceae and the Sphinctrinaceae are the families in the order Mycocaliciales, which was created in 2000 by Leif Tibell and Mats Weden.[4] Mycocaliciaceae was shown in several studies to belong to the class Eurotiomycetes.[5][6][7]

In 2005, molecular phylogenetic analysis of internal transcribed spacer DNA sequences suggested that the Sphinctrinaceae nested in the Mycocaliciaceae, and further, that some of the morphological features traditionally used to classify Mycocaliciales genera were found to be homoplasious.[8] The 2022 "Outline of Fungi", a multi-authored compilation of fungal classification, places the Sphinctrinaceae in synonymy with the Mycocaliciaceae.[1]

Description

The thallus of Mycocaliciaceae species are immersed in the substrate, and often absent. Ascomata are stalked, brown or black, and topped by a head that is disc-like to somewhat spherical. Interascal tissue is absent in the hymenium. The asci are small, cylindrical, thick-walled at least in the apex, and not evanescent at an early stage. Ascospores are ellipsoidal to cylindrical in shape, pale to mid brown in colour, with walls that are smooth and thin. The ascospores are not released in a mazaedial mass.[9]

Genera

The list of the genera in the Mycocaliciaceae includes taxa formerly classified in the Sphinctrinaceae. Following the genus name is the taxonomic authority, year of publication, and the number of species:[1]

Fossil record

The first fossil record of a member of the Mycocaliciaceae was reported in 2000. The species, Chaenothecopsis bitterfeldensis, was described and illustrated from Bitterfeld amber dating back to at least 20 million years ago. The similarity in morphology to some extant East Asian species suggests that the genus had an ancient Laurasian distribution.[16] Since then, several new calicioid fossil specimens have been discovered from Baltic amber (50–35 million years ago).[17][18] For example, in 2020, nine new fossils were reported. Of all reported calicioid fossils, six are assigned to Chaenothecopsis and one to Phaeocalicium.[19]

References

  1. ↑ 1.0 1.1 1.2 Wijayawardene, N.N.; Hyde, K.D.; Dai, D.Q.; Sánchez-García, M.; Goto, B.T.; Saxena, R.K. et al. (2022). "Outline of Fungi and fungus-like taxa – 2021". Mycosphere 13 (1): 53–453 [142]. doi:10.5943/mycosphere/13/1/2. https://www.researchgate.net/publication/358798332. 
  2. ↑ Prieto, Maria; Baloch, Elisabeth; Tehler, Anders; Wedin, Mats (2013). "Mazaedium evolution in the Ascomycota (Fungi) and the classification of mazaediate groups of formerly unclear relationship". Cladistics 29 (3): 296–308. doi:10.1111/j.1096-0031.2012.00429.x. 
  3. ↑ 3.0 3.1 Schmidt, A. (1970). "Anatomisch-taxonomische Untersuchungen a europaischen Arten der Flechtenfamilie Caliciaceae" (in de). Mitteilungen aus den Botanischen Staatsinstituten in Hamburg 13: 111–166. http://nhm2.uio.no/botanisk/lav/RLL/PDF1/R16648.pdf. 
  4. ↑ Tibell, Leif; Wedin, Mats (2000). "Mycocaliciales, a new order for nonlichenized calicioid fungi". Mycologia 92 (3): 577–581. doi:10.2307/3761518. 
  5. ↑ Gargas, A.; DePriest, P.; Grube, M.; Tehler, A. (1995). "Multiple origins of lichen symbioses in fungi suggested by SSU rDNA phylogeny". Science 268 (5216): 1492–1495. doi:10.1126/science.7770775. PMID 7770775. 
  6. ↑ Wedin, Mats; Tibell, Leif (1997). "Phytogeny and evolution of Caliciaceae, Mycocaliciaceae, and Sphinctrinaceae (Ascomycota), with notes on the evolution of the prototunicate ascus". Canadian Journal of Botany 75 (8): 1236–1242. doi:10.1139/b97-837. 
  7. ↑ Wedin, Mats; Wiklund, Elisabeth; Crewe, Anna; Döring, Heidi; Ekman, Stefan; Nyberg, Åsa; Schmitt, Imke; Lumbsch, H. Thorsten (2005). "Phylogenetic relationships of Lecanoromycetes (Ascomycota) as revealed by analyses of mtSSU and nLSU rDNA sequence data". Mycological Research 109 (2): 159–172. doi:10.1017/S0953756204002102. 
  8. ↑ Tibell, Leif; Vinuesa, Maria (2005). "Chaenothecopsis in a molecular phylogeny based on nuclear rDNA ITS and LSU sequences". Taxon 54 (2): 427–442. doi:10.2307/25065370. 
  9. ↑ Cannon, P.F.; Kirk, P.M. (2007). Fungal Families of the World. CAB International. pp. 227–228. ISBN 978-0851998275. 
  10. ↑ Crous, P.W.; Wingfield, M.J.; Richardson, D.M.; Leroux, J.J.; Strasberg, D.; Edwards, J. et al. (2016). "Fungal Planet description sheets: 400–468". Persoonia - Molecular Phylogeny and Evolution of Fungi 36 (1): 316–458. doi:10.3767/003158516X692185. 
  11. ↑ Vainio, Edvard A. (1927). "Lichenographia Fennica III". Acta Societatis Pro Fauna et Flora Fennica 57 (1): 1–138 (see p. 70). 
  12. ↑ Vainio, Edvard A. (1890). "Étude sur la classification naturelle et la morphologie des Lichens du Brésil. Pars prima". Acta Societatis Pro Fauna et Flora Fennica 7 (1): 1–247. 
  13. ↑ Nylander, W. (1867). "Lichenes Kurziani e Calcutta" (in la). Nylander Nylander 50: 3–9. https://www.biodiversitylibrary.org/page/57388. 
  14. ↑ Fries, E.M. (1825) (in la). Systema Orbis Vegetabilis. 1. Lundin: Typographia Academica. p. 120. https://bibdigital.rjb.csic.es/viewer/11732/?offset=#page=128&viewer=picture&o=bookmark&n=0&q=. 
  15. ↑ Körber, G.W. (1855) (in la). Systema lichenum Germaniae. p. 306. 
  16. ↑ Rikkinen, Jouko; Poinar, George (2000). "A new species of resinicolous Chaenothecopsis (Mycocaliciaceae, Ascomycota) from 20 million year old Bitterfeld amber, with remarks on the biology of resinicolous fungi". Mycological Research 104 (1): 7–15. doi:10.1017/S0953756299001884. 
  17. ↑ Tuovila, Hanna; Schmidt, Alexander R.; Beimforde, Christina; Dörfelt, Heinrich; Grabenhorst, Heinrich; Rikkinen, Jouko (2012). "Stuck in time – a new Chaenothecopsis species with proliferating ascomata from Cunninghamia resin and its fossil ancestors in European amber". Fungal Diversity 58 (1): 199–213. doi:10.1007/s13225-012-0210-9. 
  18. ↑ Kettunen, Elina; Sadowski, Eva-Maria; Seyfullah, Leyla J.; Dörfelt, Heinrich; Rikkinen, Jouko; Schmidt, Alexander R.; Lomax, Barry (2019). "Caspary's fungi from Baltic amber: historic specimens and new evidence". Papers in Palaeontology 5 (3): 365–389. doi:10.1002/spp2.1238. 
  19. ↑ Rikkinen, Jouko; Meinke, S. Kristin L.; Grabenhorst, Heinrich; Gröhn, Carsten; Kobbert, Max; Wunderlich, Jörg; Schmidt, Alexander R. (2018). "Calicioid lichens and fungi in amber – Tracing extant lineages back to the Paleogene". Geobios 51 (5): 469–479. doi:10.1016/j.geobios.2018.08.009. 

Wikidata ☰ Q6947116 entry



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