TABLE 2 in Alternatipathes longispina sp. nov. and Bathypathes longicaulis sp. nov., two black corals (Antipatharia, Schizopathidae) from seamounts in the Western Pacific

TABLE 2. Comparison of the holotypes of all species of Alternatipathes.
CharacteristicA. longispina sp.A. bipinnataA. alternataA. venustaA. mirabilisnov.USNM 835421890.4.9.21USNM1404492USNM1070972MBM286472Corallum height (=stem length),1935.5165746.5cm Maximum corallum width, cm39.3-16.8*17.2*19.4*Length of unpinnulated stem,924.57.34032.5cm Number of pinnules per 3 cm on9–1112–1510–119–1110–11both sides Length of lowermost pinnule,19.12.510.51315cm Form of spines on pinnulesConical, withConical, with acuteConical, withConical, withTriangular, withslightly roundedor rounded apex andacute or roundedacute or roundedacute apexapexflared baseapex and flaredapexHeight of spines, mm0.06‒0.580.06–0.30base 0.03‒0.060.06‒0.220.03–0.06Height of polypar spines, mm0.29‒0.580.22–0.300.060.11‒0.220.04–0.06(0.44±0.06,Height of abpolypar spines,n=20) 0.06‒0.240.06–0.150.030.06‒0.080.03–0.04mm(0.12±0.05,Width of spines, mmn=20) 0.25‒0.79----Width of polypar spines, mm0.50‒0.79----(0.66±0.09,Width of abpolypar spines, mmn=20) 0.25‒0.58----(0.43±0.09,Spine spacing, mmn=20) 0.61–1.810.25‒0.75-0.2–0.460.26–0.79Spine number per 1 mm on each1‒23–44‒53‒42.5–3.5row Spine rows from lateral view4‒53‒54‒55‒65–6Polyp size, mm4‒62.5–33‒3.53.5‒55–7Polyp density, per 3 cm pinnule69764‒5Species distributionWestern PacificEastern PacificPacific and IndianNorth PacificNorth PacificReferencePresent studyOpresko 2005Ocean Brook 1889,Opresko &Opresko &Molodtsova &Wagner 2020MolodtsovaOpresko 20172021
-: data unavailable. n: the number of spines. *: data calculated from pictures of holotype.