Metavermilia Bush, 1905

Bailey-Brock, Julie H. & Magalhães, Wagner F., 2012, A new species and record of Serpulidae (Annelida: Polychaeta) from Cross Seamount in the Hawaiian Chain, Zootaxa 3192, pp. 49-58 : 50

Genus Metavermilia Bush, 1905

Type-species: Vermilia multicristata Philippi, 1844

Generic diagnosis (after ten Hove & Kupriyanova 2009: 62). Tube white, opaque, peristomes may be present, as well as several longitudinal keels, sometimes denticulate. Granular overlay generally absent. Operculum with chitinous, non-calcified endplate, sometimes with complex multi-tiered structures, or endplate may be absent. Peduncle flattened, ribbon-like, without distal wings; formed from second dorsal radiole on one side. Constriction may be present. Pseudoperculum may be present. Radioles arranged in semi-circles to short pectinate, up to 18 per lobe. Inter-radiolar membrane and stylodes absent. Branchial eyes may be present. Mouth palps absent. 7 thoracic chaetigerous segments. Collar trilobed, tonguelets between ventral and lateral collar lobes absent. Length of thoracic membranes variable, ending at thoracic segments 3–7, sometimes forming ventral apron on anterior abdominal segments. Collar chaetae limbate. Apomatus chaetae present. Thoracic uncini saw-shaped with up to 15 teeth, anterior fang blunt, rounded. Triangular depression absent. Abdominal chaetae with flat narrow geniculate blade with rounded teeth; uncini saw- or rasp-shaped. Achaetous anterior abdominal zone absent. Posterior capillary chaetae and glandular pad present.