Microporella ciliata
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Ordo: Cheilostomatida
Familia: Microporellidae
Genus: Microporella
Name
Microporella ciliata (Pallas, 1766) – Wikispecies link – Pensoft Profile
- Eschara ciliata Pallas, 1766: 38.
- Microporella ciliata (Pallas): Kukliński and Taylor 2008[1]: 1895, fig. 1a–i.
- [[ | ]] Non Microporella ciliata (Pallas): Hayward and McKinney 2002[2]: 83, fig. 37e–j.
Examined material
Italy • 1 dead colony; Ionian Sea, SE Sicily, Gulf of Noto; sample WP120; 36°44'26"N, 15°10'3"E; 50 m; 1996; E. Mollica leg.; dredging; PMC Rosso-Collection I. H. B.85a.
Remarks
The neotype chosen by Kukliński and Taylor (2008)[1] was selected from material collected in 1984 and 2005 at Penta Palummo Bank, a submerged volcanic edifice in the Bay of Naples rising up to about 40 m depth from the surrounding 80 m shelf. Kukliński and Taylor (2008)[1] already suggested that the Mediterranean material overall assigned to M. ciliata, might actually correspond to more than one closely related species. This was observed, for instance, in SEM images of north Adriatic specimens in Hayward and McKinney (2002)[2], which differ from the neotype. Following Kukliński and Taylor (2008)[1], Rosso et al. (2010)[3], Chimenz Gusso et al. (2014)[4], and Rosso and Di Martino (2016)[5] remarked on the need for a revision of the material assigned to this species, whose accorded great variability (e.g., Gautier 1962[6]; Hayward and Ryland 1999[7]) is very likely to correspond to a species complex. The effort to disentangle the ciliata complex began with the recent description of Microporella modesta Di Martino, Taylor & Gordon, 2020, and is pursued in the present paper with the description of two new species sharing with M. ciliata the general appearance and the presence of a single, lateral avicularium as well as non-personate ovicells. Examination of all material available to us, as well as images available in the literature, suggest that M. ciliata, as defined by the neotype, is possibly a rare species in the Mediterranean Sea, or at least a species with a very restricted geographical and/or ecological distribution. A similar conclusion was reached by Chimenz Gusso et al. (2014)[4] after revising their material identified as M. cf. ciliata, found associated to Posidonia and algae between 5 and 88 m depth in several localities of the Tyrrhenian Sea (i.e., off Latium; Spargiotto Island, NE Sardinia; Ustica and Volcano Islands) and the Sicily Strait (Lampedusa Island). The revision of all specimens originally assigned to M. ciliata or M. gr. ciliata in the collections of one of us (AR), originating from several regions and habitats of the Mediterranean Sea, led to the detection of only one colony corresponding with the neotype (Fig. 4). Although the type locality is unknown, it is likely that the original material described by Pallas (1766)[8] was collected in shallow waters from easily accessible substrates, which is not the case for the selected neotype. Colonies of M. ciliata recorded from different western Mediterranean localities (Gautier 1962[6]; Zabala 1986[9], and references therein), Greece (Harmelin 1969[10]) and Turkey (Ünsal 1975[11]), all show great variability and need to be revised to ascertain their identity.
Distribution
Awaiting a general revision of specimens reported from all over the world, focusing on the Mediterranean Sea, the occurrence of Microporella ciliata to date is only confirmed in the Gulf of Naples (SE Tyrrhenian Sea) and the Gulf of Noto (W Ionian Sea).
Taxon Treatment
- Martino, E; Rosso, A; 2021: Seek and ye shall find: new species and new records of Microporella (Bryozoa, Cheilostomatida) in the Mediterranean ZooKeys, 1053: 1-42. doi
Images
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Other References
- ↑ 1.0 1.1 1.2 1.3 Kukliński P, Taylor P (2008) Arctic species of the cheilostome bryozoan Microporella, with a redescription of the type species.Journal of Natural History42(27–28): 1893–1906. https://doi.org/10.1080/00222930802126904
- ↑ 2.0 2.1 Hayward P, McKinney F (2002) Northern Adriatic Bryozoa from the vicinity of Rovinj, Croatia.Bulletin of the American Museum of Natural History270: 1–139. https://doi.org/10.1206/0003-0090(2002)270<0001:NABFTV>2.0.CO;2
- ↑ Rosso A, Chimenz Gusso C, Balduzzi A (2010) Bryozoa. In: Relini G (Ed.) Checklist della flora e della fauna dei mari italiani (parte II).Biologia Marina Mediterranea 17(Suppl.), 589–615.
- ↑ 4.0 4.1 Chimenz Gusso C, Nicoletti L, Bondanese C (2014) Briozoi. Biologia Marina Mediterranea 20 (Suppl. 1): 1–336.
- ↑ Rosso A, Di Martino E (2016) Bryozoan diversity in the Mediterranean Sea: an up-date.Mediterranean Marine Science17(2): 567–607. https://doi.org/10.12681/mms.1706
- ↑ 6.0 6.1 Gautier Y (1962) Recherches ecologiques sur les Bryozoaires Chilostomes en Méditerranée occidentale.Recueillis des Travaux de la Station Marine d’Endoume38: 1–435.
- ↑ Hayward P, Ryland J (1999) Cheilostomatous Bryozoa. Part 2. Hippothoidea – Celleporoidea. Barnes RSK, Crothers JH (Eds) Synopses of the British Fauna (New Series) Field Studies Council, Shrewsbury 14: 1–416.
- ↑ Pallas P (1766) Elenchus zoophytorum sistens generum adumbrationes generaliores et speciarum cognitarum succintas descriptiones cum selectis auctorus synonymis.Pterum van Cleef, Hagae-Comitum, 451 pp. https://www.biodiversitylibrary.org/page/6019462
- ↑ Zabala M (1986) Fauna dels bryozous dels Països Catalans. Barcelona.Institut D’estudis Catalans Secció de Ciències84: 1–836.
- ↑ Harmelin J (1969) Bryozoaires des grottes sous-marines obscures de la région Marseillaise: faunistique et écologie.Téthys1: 793–806.
- ↑ Ünsal I (1975) Bryozoaires marins de Turquie.Istanbul Üniversitesi Fen Fakültesi Mecmuasi, Serie B40: 37–54.
