TABLE 3 in Alternatipathes longispina sp. nov. and Bathypathes longicaulis sp. nov., two black corals (Antipatharia, Schizopathidae) from seamounts in the Western Pacific

TABLE 3. Comparison of all species with alternating pinnules of Bathypathes.
CharacteristicB. longicaulis sp. nov.B. longicaulis sp. nov.B. longicaulis sp.B. longicaulis sp. nov.B. platycaulusB. pseudoalternataB. thermophilaMBM286468MBM286469nov.MBM286471UKNHM1923.19.19.2USNM1071044MNHN-IK-2016-45MBM286470Corallum, formMonopodial andMonopodial andMonopodial andMonopodial andMonopodial andMonopodial andMonopodial,unbranchedunbranchedunbranchedunbranchedunbranchedunbranchedunbranched or branchedCorallum total height, cm38.128.626.336.8-2474.5Maximum corallum width,161212.215.2-15-cmLength of unpinnulated28.120.718.728.6-64stem, cmBasal stem diameter, mm1.621.631.271.571.51.91.8Length of pinnules, cm3.8‒10.73.5‒6.42.5‒73‒88.8 (longest)10 (longest)~20 (longest)Pinnules spacing, mm4‒12 (mostly 6‒9)6‒75–85.5‒14 (mostly 7)36–82.8–4.0Number of pinnules per 133‒43‒4325–30 per 5 cm8‒10 per 3 cm14–18 per 3 cmcm on both sideForm of spines on pinnulesConical, with bluntConical, with bluntConical, with bluntConical, with bluntTriangularTriangular, withTriangular, with acuteapexapexapexapexrounded apexapexHeight of spines, mm0.024‒0.0560.019‒0.0660.020‒0.0630.023‒0.0480.040.02–0.0450.017–0.022Height of polypar spines,0. 0 3 4 ‒ 0. 0 5 60. 0 4 0 ‒ 0. 0 6 60. 0 3 0 ‒ 0. 0 6 30. 0 3 0 ‒ 0. 0 4 8-0.04‒0.045-mm(0.045±0.006, n=18)(0.051±0.008, n=24)(0.045±0.007, n=28)(0.039±0.005, n=26)Height of abpolypar spines,0. 0 2 4 ‒ 0. 0 4 00. 0 1 9 ‒ 0. 0 4 40. 0 2 0 ‒ 0. 0 4 50. 0 2 3 ‒ 0. 0 4 0-0.02‒0.03-mm(0.033±0.005, n=18)(0.034±0.007, n=24)(0.033±0.007, n=28)(0.033±0.004, n=26)Width of spines, mm0.14‒0.290.16‒0.290.12‒0.290.12‒0.22---Width of polypar spine, mm0.18‒0.29 (0.24±0.03,0.20‒0.29 (0.25±0.02,0.17‒0.290.12‒0.22 (0.17±0.02,---n=18)n=24)(0.20±0.03, n=28)n=26)Width of abpolypar spines,0.14‒0.27 (0.20±0.04,0.16±0.22 (0.19±0.02,0.12‒0.200.13‒0.20 (0.17±0.02,---mmn=18)n=24)(0.17±0.02, n=28)n=26)Spine spacing, mm0.34‒0.650.24‒0.540.21‒0.540.16‒0.630.030.15‒0.380.20–0.31Spine number per 1 mm on2‒33‒43‒43‒4-5–6-each rowSpine rows from lateral3‒43‒43‒43‒44–75–66–7view
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表3 异羽枝黑角珊瑚属（Bathypathes）所有物种比较

| 特征项 | B. longicaulis新种 | B. longicaulis新种 | B. longicaulis未定种 | B. longicaulis新种 | B. platycaulus | B. pseudoalternata | B. thermophila | MBM286468 | MBM286469 | MBM286471 | UKNHM 1923.19.19.2 | USNM 1071044 | MNHN-IK-2016-45 | MBM286470 |
| ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- |
| 珊瑚体形态 | 单轴型、不分枝 | 单轴型、不分枝 | 单轴型、不分枝 | 单轴型、不分枝 | 单轴型、不分枝 | 单轴型、不分枝 | 单轴型，不分枝或分枝 | | | | | | | |
| 珊瑚体总高度（cm） | 38.1 | 28.6 | 26.3 | 36.8 | - | 24 | 74.5 | | | | | | | |
| 最大珊瑚体宽度（cm） | 16 | 12 | 12.2 | 15.2 | - | 15 | - | | | | | | | |
| 无羽枝茎段长度（cm） | 28.1 | 20.7 | 18.7 | 28.6 | - | 64 | | | | | | | | |
| 茎基部直径（mm） | 1.62 | 1.63 | 1.27 | 1.57 | 1.5 | 1.9 | 1.8 | | | | | | | |
| 羽枝长度（cm） | 3.8‒10.7 | 3.5‒6.4 | 2.5‒7 | 3‒8 | 8.8（最长） | 10（最长） | ~20（最长） | | | | | | | |
| 羽枝间距（mm） | 4‒12（多为6‒9） | 6‒7 | 5–8 | 5.5‒14（多为7） | 3 | 6–8 | 2.8–4.0 | | | | | | | |
| 两侧每厘米羽枝数 | 13‒34 | 3‒4 | 32 | 25–30/5cm | 8‒10/3cm | 14–18/3cm | | | | | | | | |
| 羽枝棘刺形态 | 圆锥形，钝顶 | 圆锥形，钝顶 | 圆锥形，钝顶 | 圆锥形，钝顶 | 三角形 | 三角形，锐尖 | 三角形，锐尖 | | | | | | | |
| 棘刺高度（mm） | 0.024‒0.056 | 0.019‒0.066 | 0.020‒0.063 | 0.023‒0.048 | 0.04 | 0.02–0.045 | 0.017–0.022 | | | | | | | |
| 群体柄棘刺（polypar spines）高度（mm） | 0.034‒0.056 | 0.040‒0.066 | 0.030‒0.063 | 0.030‒0.048 | - | 0.04‒0.045 | (0.045±0.006, n=18) | (0.051±0.008, n=24) | (0.045±0.007, n=28) | (0.039±0.005, n=26) | | | | |
| 反口面棘刺（abpolypar spines）高度（mm） | 0.024‒0.040 | 0.019‒0.044 | 0.020‒0.045 | 0.023‒0.040 | - | 0.02‒0.03 | (0.033±0.005, n=18) | (0.034±0.007, n=24) | (0.033±0.007, n=28) | (0.033±0.004, n=26) | | | | |
| 棘刺宽度（mm） | 0.14‒0.29 | 0.16‒0.29 | 0.12‒0.29 | 0.12‒0.22 | - | - | - | | | | | | | |
| 群体柄棘刺宽度（mm） | 0.18‒0.29(0.24±0.03, n=18) | 0.20‒0.29(0.25±0.02, n=24) | 0.17‒0.29 | 0.12‒0.22(0.17±0.02, n=26) | - | - | - | | | | | | | |
| 反口面棘刺宽度（mm） | 0.14‒0.27(0.20±0.04, n=18) | 0.16‒0.22(0.19±0.02, n=24) | 0.12‒0.20 | 0.13‒0.20(0.17±0.02, n=26) | - | - | - | | | | | | | |
| 棘刺间距（mm） | 0.34‒0.65 | 0.24‒0.54 | 0.21‒0.54 | 0.16‒0.63 | 0.03 | 0.15‒0.38 | 0.20–0.31 | | | | | | | |
| 每列每1mm棘刺数 | 2‒3 | 3‒4 | 3‒4 | 3‒4 | - | 5–6 | - | | | | | | | |
| 侧面观棘刺列数 | 3‒4 | 3‒4 | 3‒4 | 3‒4 | 4–7 | 5–6 | 6–7 | | | | | | | |

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