Table 5 in Revision of the genus Ceriantheomorphe (Cnidaria, Anthozoa, Ceriantharia) with description of a new species from the Gulf of Mexico and northwestern Atlantic

Table 5. Comparison of morphological characters between species of the genus Ceriantheomorphe. CharactersCeriantheomorphe brasiliensisCeriantheomorphe adelita sp. nov.Ceriantheomorphe ambonensisNumber of marginal tentacles132-392192-35248**-150*Number of labial tentacles108-384144-33672**-150*Tentacular cycles443*Arrangement of marginal tentacles(1)1123...(?)1122...(0)112...**Arrangement of labial tentacles(1)1122 …(?)1122 …(0)112 … **Proportion between pharynx in relation to body length8-27%21%18%**SiphonoglyphTwo pairs of mesenteries connectedThree pairs of mesenteries connectedThree pairs of mesenteries connected**Proportion of gastrovascular cavity in relation to body length33-72%56%55%**Ratio between mesenteries1.2-3.1% (B × b); 1.1-3.1%(m × M)3% (B × b); 2.7-5.2% (m × M)4% (B × b); 2.2-3.5% (M × m)**P1 (directive mesenteries)Longer than P3, P5, betamesenteries (B and b) and metamesenteries (m), except for m of the 2nd and 3rd cycles. Shorter than P2, P4 and metamesenteries (M).Longer than betamesenteries (B and b) and metamesenteries (m). Shorter than P2, P3 and metamesenteries (M).Shorter than mesenteries.**P2Longer than mesenteriesLonger than mesenteriesLonger than mesenteriesP3Longer than P5, betamesenteries (b) and betamesenteries (B), except for B of the 1st and 2nd cycles. Shorter than directive mesenteries, P2, P4 and metamesenteries (M and m).Longer than directive mesenteries, betamesenteries (B and b) and metamesenteries (m). Shorter than P2 and metamesenteries (M).Longer than directive mesenteries and betamesenteries (B and b). Shorter than P2 and metamesenteries (M and m).P4Longer than directive mesenteries, P3, P5, betamesenteries (B and b) and metamesenteries (m), except for m of the 2nd cycle. Shorter P2 and metamesenteries (M).AbsentAbsentP5Longer than betamesenteries (b) and betamesenteries (B), except for B from 1st to 4th cycles. Shorter than directive mesenteries, P2, P3, P4 and metamesenteries (M and m).AbsentAbsentProportion of directive mesenteries in the gastrovascular cavity36.6%30.5%2.3%**Proportion of protomesenteries P2 in the gastrovascular cavity88.8%92.5%85.7%Proportion of protomesenteries P3 in the gastrovascular cavity12.2%56.4%14.2%Proportion of protomesenteries P4 in the gastrovascular cavity38.8%AbsentAbsentProportion of protomesenteries P5 in the gastrovascular cavity11.1%AbsentAbsent表5. 仙影海葵属（Ceriantheomorphe）各物种种间形态特征比较 特征 巴西仙影海葵（Ceriantheomorphe brasiliensis） 阿德莱德仙影海葵新种（Ceriantheomorphe adelita sp. nov.） 安汶仙影海葵（Ceriantheomorphe ambonensis） 边缘触手数 132-392 192-352 48*–150* 唇触手数 108-384 144-336 72**–150* 触手环数 4 4 3* 边缘触手排列方式 (1)1123...(?)1122...(0)112...** 唇触手排列方式 (1)1122 ...(?)1122 ...(0)112 ... ** 口道与体长相较比例 8-27% 21% 18%** 口道沟（siphonoglyph） 具两对连接的隔膜 具三对连接的隔膜 具三对连接的隔膜** 胃循环腔（gastrovascular cavity）与体长相较比例 33-72% 56% 55%** 隔膜间比例 1.2-3.1% (B × b); 1.1-3.1%(m × M) 3% (B × b); 2.7-5.2% (m × M) 4% (B × b); 2.2-3.5% (M × m)** P1（指向隔膜（directive mesenteries）） 长于P3、P5、侧隔膜（betamesenteries，B与b）及后隔膜（metamesenteries，m），但第2、3环的m除外；短于P2、P4及后隔膜（M） 长于侧隔膜（B与b）及后隔膜（m）；短于P2、P3及后隔膜（M） 短于其余隔膜 P2 长于其余隔膜 长于其余隔膜 长于其余隔膜 P3 长于P5、侧隔膜b及侧隔膜B，除第1、2环的B外；短于指向隔膜、P2、P4及后隔膜（M和m） 长于指向隔膜、侧隔膜（B与b）及后隔膜（m）；短于P2及后隔膜（M） 长于指向隔膜及侧隔膜（B与b）；短于P2及后隔膜（M和m） P4 长于指向隔膜、P3、P5、侧隔膜（B与b）及后隔膜（m），除第2环的m外；短于P2及后隔膜（M） 缺失 缺失 P5 长于侧隔膜b及侧隔膜B，除第1至4环的B外；短于指向隔膜、P2、P3、P4及后隔膜（M和m） 缺失 缺失 指向隔膜在胃循环腔中的占比 36.6% 30.5% 2.3%** 原隔膜（protomesenteries）P2在胃循环腔中的占比 88.8% 92.5% 85.7% 原隔膜P3在胃循环腔中的占比 12.2% 56.4% 14.2% 原隔膜P4在胃循环腔中的占比 38.8% 缺失 缺失 原隔膜P5在胃循环腔中的占比 11.1% 缺失 缺失