Table 2 in Three new species of the genus Perinereis (Annelida, Nereididae) from Egyptian coasts

Table 2. Comparison of key characters between forms resembling P. heterodonta (pale grey) and Perinereis nuntia (dark grey) in the Red Sea, the Gulf of Aden, and the Arabian (= Persian) Gulf. Abbreviations: AIII = Area III; AV = Area V; AVI Area VI; AVII-VIII = Areas VII and VIII; p-dTC = posterior extension of posterodorsal tentacular cirri (chaetiger); ratio of lengths of dorsal cirri v dorsal notopodial lobe in posterior chaetigers; HS, presence (p) or absence (a) of heterogomph spinigers in anterior neuropodia; NA = data not available.
SpeciesType localityAIII (lateral group p/a)AVAVIAVII-VIIIp-dTCp-DC:DNLHSReferencePerinereis heterodonta sensu strictoDjibouti6-7 irregular cluster010-16185NAaGravier (1899)Perinereis heterodonta sensu strictoGulf of Oman8-14 (p) cluster0-114-2420-351-60.6-1 ×aYousefi et al. (2011); CJG pers. obs. 2021Perinereis damietta sp. nov.Gulf of Suez3-9 (one transverse row)0-124-4016-322-41.1-1.2aPresent paperPerinereis djiboutiensisDjiboutismall rectangular patch (p)06-7NA (3 rows)10-15NA (DC> DNL)NAFauvel (1919)Perinereis nuntia sensu strictoGulf of Suez, Red Sea153(2-4)10-12 (8-10)41 (36-50)(4-6)4-5X (3-4X)pSavigny in Lamarck (1818); Villalobos-Guerrero (2019) [in parentheses]Perinereis nuntia sensu Wilson and Glasby 1993'Red Sea’8-14 (p)3-48-1324-316-14~1.2pWilson and Glasby (1993)Perinereis nuntia sensu Yousefi et al. 2011Gulf of Oman9-15313-2036-588-142XpYousefi et al. (2011); CJG pers. obs. 2021Perinereis suezensis sp. nov.Gulf of Suez, Red Sea9-17 (p)2-414-2137-446-71.0-1.3XpPresent paperPerinereis fayedensis sp. nov.Gulf of Suez, Red Sea2-5 (one tranverse row)1-414-1728-406-81.1-1.2XpPresent paper