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Porifera name details

Geodia (Isops) ovifractus var. cyathioides Burton, 1926

708692  (urn:lsid:marinespecies.org:taxname:708692)

 unaccepted (subgenus transfer and junior synonym)
Variety
marine, brackish, fresh, terrestrial
recent only
Burton, M. (1926). Descriptions of South African sponges collected in the South African Marine Survey. Part I. Myxospongida and Astrotetraxonida. <em>Fisheries Bulletin. Fisheries and Marine Biological Survey Division, Union of South Africa.</em> Report 4, Special Report 9 (6): 1-29.
page(s): 18 [details]  OpenAccess publication 
Holotype  BMNH 1924.5.1.74, geounit Natal  
Holotype BMNH 1924.5.1.74, geounit Natal [details]
de Voogd, N.J.; Alvarez, B.; Boury-Esnault, N.; Cárdenas, P.; Díaz, M.-C.; Dohrmann, M.; Downey, R.; Goodwin, C.; Hajdu, E.; Hooper, J.N.A.; Kelly, M.; Klautau, M.; Lim, S.C.; Manconi, R.; Morrow, C.; Pinheiro, U.; Pisera, A.B.; Ríos, P.; Rützler, K.; Schönberg, C.; Turner, T.; Vacelet, J.; van Soest, R.W.M.; Xavier, J. (2024). World Porifera Database. Geodia (Isops) ovifractus var. cyathioides Burton, 1926. Accessed at: https://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=708692 on 2024-03-28
Date
action
by
2012-10-10 12:27:56Z
created
2018-08-28 06:38:36Z
changed
2024-01-24 09:31:01Z
changed

original description Burton, M. (1926). Descriptions of South African sponges collected in the South African Marine Survey. Part I. Myxospongida and Astrotetraxonida. <em>Fisheries Bulletin. Fisheries and Marine Biological Survey Division, Union of South Africa.</em> Report 4, Special Report 9 (6): 1-29.
page(s): 18 [details]  OpenAccess publication 

basis of record Van Soest, R.W.M. (2024). Correcting sponge names: nomenclatural update of lower taxa level Porifera. <em>Zootaxa.</em> 5398(1): 1-122., available online at https://doi.org/10.11646/zootaxa.5398.1.1
page(s): 55 [details]  Available for editors  PDF available [request] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Holotype BMNH 1924.5.1.74, geounit Natal [details]
From editor or global species database
Synonymy This variety was described by Burton from the coast of Natal, South Africa (no further data). The dried holotype specimen BMNH 1924.5.1.74 (with slide 1924.5.1.106), differs from the typical variety G. (I.) ovifractus Burton (1926: 17, also from South Africa, off the Natal coast, collected by South African Marine Survey Stat. 109, 29.7367°S 31.3458°E, depth 91 m, dried syntypes BMNH 1924.5.1.45–46) only in shape: the typical variety (a photo is provided in Burton 1926: pl. 3 fig. 1) is pear shaped with its thinnest part near the substratum. The oscules are located on the broadest upper part and are slightly raised. The var. cyathioides (not illustrated) is stated to be cup-shaped, with oscules on the inner wall of the cup, flush with the surface. Spicule complement of both varieties is stated to be the same, including peculiar centrotylote flexible microxeas (only those of the typical variety are drawn in Burton 1926: pl. 4 fig. 2). This latter feature, the fact that shapes of the two varieties are not dramatically different (a stalked ‘pear’ can be easily transformed to a shallow cup, depending on environmental circumstances), and that both are from nearby localities make it likely that the varieties are not specifically distinct. Accordingly, Van Soest (2024: 55) proposed to merge the var. cyathioides with the typical variety and consider them a single species Geodia ovifractus Burton, 1926. [details]


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