Phlyctiderma semiasperum (Philippi, 1836)

Costa, Dimitri de Araujo, Dolbeth, Marina, Prata, Jessica, da Silva, Francisco de Assis, da Silva, Geuba Maria Bernardo, de Freitas, Paulo Ragner Silva, Christoffersen, Martin Lindsey, de Lima, Silvio Felipe Barbosa, Massei, Karina & de Lucena, Reinaldo Farias Paiva, 2021, Marine invertebrates associated with rhodoliths / maerl beds from northeast Brazil (State of Paraiba), Biodiversity Data Journal 9, pp. 62736-62736 : 62736

Phlyctiderma semiasperum (Philippi, 1836)

Materials

Type status: Other material. Occurrence: catalogNumber: CZAP-294; recordedBy: G. da Silva, D. Costa; individualCount: 1; Location: locality: Maceió Beach; verbatimDepth: 4.0 m

Distribution

Gulf of Mexico and Brazilian coast (State of Paraíba) ( MolluscaBase 2020b; this study).

Distribution in Paraíba: Maceió Beach (New record). This species represents a new record from the South Atlantic.

Notes

Found inside the rhodoliths.

Diagnosis

( Romera 2012): Subtriangular valves, later pointed, white in colour; covered by thin and translucent periostracum; sideways inflated (Fig. 8 b). External, opisdotelic and parvincular ligaments. Tall and wide. Externally ornamented by small pustules. Internally white in colour. Similar muscle impressions. Whole pallial line without sinus. Heterodont hinge, with two cardinal teeth. Long and narrow nymph.