Arcotheres excussus ( Dai, Feng, Song & Chen, 1980 )

publication ID	https://doi.org/10.6620/ZS.2024.63-38
DOI	https://doi.org/10.5281/zenodo.14704541
persistent identifier	https://treatment.plazi.org/id/5C3287DF-FFDF-8E28-1397-FA3FFA230CB7
treatment provided by	Felipe
scientific name	Arcotheres excussus ( Dai, Feng, Song & Chen, 1980 )
status

Pinnotheres obscurus View in CoL — Pregenzer and Morton 1990: 653 [part], fig. 3C, D.

Arcotheres excussus — Ng and Ngo 2022: 276, figs. 4, 5.

Taxonomy: Dai et al. (1980), Ng and Ngo (2022).

Type: Holotype ñ and paratype ññ HN 5803132 in IZASB (now IZCAS).

Type locality: Xincun Bay, Hainan, China.

Distribution: Vietnam and East Asia: South China, and Taiwan ( Ng and Ngo 2022).

Habitat: Intertidal to subtidal; commensal with or parasite of bivalves, including Gafrarium sp. and Marcia hiantina (Lamarck, 1818) ( Dai et al. 1980) , and Anadara kagoshimensis (Tokunaga, 1906) ( Arcidae ) ( Ng and Ngo 2022); on muddy or sandy substrates.

Remarks: Ng and Ngo (2022) examined the types of Pinnotheres excussus and referred the species to Arcotheres Manning, 1993 (sensu Manning 1993b; Ng and Ahyong 2022). See also Remarks under P. obscurus .