Bougainvillia pagesi Nogueira, Rodriguez, Mianzan, Haddad & Genzano 2013

Nagata, Renato Mitsuo, Júnior, Miodeli Nogueira & Haddad, Maria Angélica, 2014, Faunistic survey of Hydromedusae (Cnidaria, Medusozoa) from the coast of Paraná State, Southern Brazil, Zootaxa 3768 (3), pp. 291-326 : 296

publication ID

https://doi.org/ 10.11646/zootaxa.3768.3.3

publication LSID

lsid:zoobank.org:pub:D223B938-DB44-4738-AA6D-9C5627B9C7A1

DOI

https://doi.org/10.5281/zenodo.5689009

persistent identifier

https://treatment.plazi.org/id/0385B265-9523-3A70-54D9-FF58FC8EFBED

treatment provided by

Plazi

scientific name

Bougainvillia pagesi Nogueira, Rodriguez, Mianzan, Haddad & Genzano 2013
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Bougainvillia pagesi Nogueira, Rodriguez, Mianzan, Haddad & Genzano 2013 View in CoL

( Fig. 4 View FIGURE 2 – 5 )

References consulted. Nogueira et al. 2013: 7–8, figs 1–2, table 1.

Material. Shangrilá (25°37–42’S; 48° 24–27’W): 08/08/1998 — 22 specimens; 09/23/1998 — 28 specimens; 10/18/1998 —six specimens; 07/13/1999 —three specimens; 08/12/1999 —seven specimens; 09/21/1999 — 36 specimens; 10/17/1999 — 15 specimens; Guaratuba (25°52–56’S; 48°31–33’W): 05/31/2003 —one specimen; 08/ 08/2003 — 70 specimens; 09/20/2003 — 134 specimens; 01/16/2004 —one specimen; 05/12/2004 —nine specimens; 06/20/2004 —one specimen; 09/03/2006 — 104 specimens; 09/23/2003 — 80 specimens; Superagüí (25°20–22’S; 48°05–07’W): 07/23/2005 — 10 specimens;

Reference specimens deposited. MZUSP—0902, 0 903 and 1480.

World distribution. Endemic from Southwestern Atlantic, extending from Rio de Janeiro, Brazil, to Buenos Aires, Argentina ( Nogueira et al. 2013).

Distribution in Brazil. Rio de Janeiro (R.M. Nagata, personal observations), Paraná and Santa Catarina shallow waters ( Nogueira et al. 2013).

Description. Globular umbrella and thick mesoglea at the apical region representing up to 1/3 of bell height. Manubrium short, quadrate and without peduncle; oral tentacles dichotomously branching 3–5 times usually with short basal trunk. Folded and voluminous gonads, hanging at perradial walls of the manubrium and along proximal part of the radial canals; four marginal bulbs broad and triangular typically bearing 9–14 tentacles. Linear or crescent-shaped ocelli located on the adaxial base of each tentacle.

Systematic remarks. The most distinctive character of this Bougainvillia medusa is the shape and position of the gonads along with its relatively large size. See Nogueira et al. (2013) for a detailed comparison of this medusa with other species of the genus.

Biological data. Unknown hydroid. Medusae relatively common in the area studied; it may be found the whole year, but more abundantly between August and September.

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