Morphological and taxonomic diversity of the bryozoan genus Chaperia (Cheilostomata: Chaperiidae) in the Aotearoa New Zealand EEZ and on the southern Norfolk Ridge Author Gordon, Dennis P. text Zootaxa 2025 2025-12-23 5737 2 151 202 https://doi.org/10.11646/zootaxa.5737.2.1 journal article 314675 10.11646/zootaxa.5737.2.1 2c314dd7-d4d3-4a4f-934c-be8562b6ed08 1175-5326 19136951 E0E26133-3B5A-4187-AFB6-5AFF18397BD8
TABLE 4. Principal (most taxonomically informative) metric characters in the New Zealand species of Chaperia, from the zone of astogenetic repetition in which vestigial ooecia may occur (ancestrular data excepted), arranged in descending order in each column.
Zooid length (µm, mean)Opesia length (µm, mean)Opesia width (µm, mean)OpL:ZL ratio Ooecium width Total no. of Principal no. of % of opesial Mean % of opesial (µm, mean) opesial spines spines in primary length length bordered by spine arc bordered by spines spinesAncestrular opesia width (µm,mean)Total no. of ancestrular spines
885 tiara287 crassispina323 raphaeli0.51 crassispina274 granulosa50-35 biserialis19 biserialis205-119 biserialis158 biserialis224 granulosa17 biserialis
867 biserialis277 raphaeli314 granulosa0.51 sadieae270 emarginata36-23 multispinosa18 tiara158-46 stotterri125 tiara213 raphaeli11 campbellensis
797 274 306 0.50 bennettae campbellensis campbellensis arii269 lata21-16 tiara12 multispinosa151-85 Juliani124 crassispina202 bennettae11 sebastiani
743 emarginata271 granulosa282 dianae0.48 dianae259 multispinosa13-7 emarginata12, 10 emarginata114-148 tiara108 Juliani197 emarginata11 tiara
720 granulosa259 dianae277 lata0.45 raphaeli247 tiara12-10 crassispina11 crassispina105-133 crassispina90 stotteri197 lata9 arii
687 241 campbellensis bennettae266 0.44 bennettae campbellensis244 biserialis12-8 dianae10 dianae104-62 nicoi83 bennettae195 crassispina9 bennettae
621 raphaeli238 tiara262 emarginata0.44 nicoi239 raphaeli11-8 bennettae9 Juliani100-66 bennettae81 nicoi193 campbellensis9 crassispina
574 stotteri235 emarginata256 tiara0.40 multispinosa237 bennettae11-7 sebastiani9-8 stotteri100-53 arii71 sebastiani185 dianae9 dianae
561 crassispina224 sadieae254 sadieae0.40 sebastiani234 dianae11-6 stotteri8 bennettae100-51 sebastiani69 emarginata178 tiara9 emarginata
550 lata220 multispinosa251 crassispina0.38 granulosa230 sadieae11-5 raphaeli8 raphaeli84-56 emarginata68 arii175 multispinosa9 Juliani
544 dianae214 biserialis242 biserialis0.38 Juliani224 crassispina10-7 Juliani8 sebastiani78-32 multispinosa55 multispinosa170 biserialis9 lata
515 multispinosa210 lata237 multispinosa0.38 lata218 campbellensis10-1 granulosa7 arii77-18 raphaeli47 dianae170 sebastiani9 multispinosa
505 sebastiani203 arii218 sebastiani0.32 emarginata182 9-6 7 sebastiani campbellensis nicoi72-22 campbellensis41 raphaeli164 sadieae9 stotteri
436 sadieae203 sebastiani211 stotteri0.31 stotteri158 arii8-6 nicoi6 campbellensis71-1 lata39 campbellensis161 arii8 raphaeli
408 arii177 stotteri193 arii0.30 bennettae158 nicoi8-5 sadieae6 lata66-32 dianae28 lata144 nicoi7 nicoi
389 nicoi173 nicoi177 nicoi0.27 tiara156 stotteri7-4 arii6 sadieae38-14 sadieae25 sadieae142 stotteri7 sadieae
381 Juliani143 Juliani134 Juliani0.25 biserialis131 Juliani6-4 lata4 granulosa33-3 granulosa19 granulosa125 Juliani6 granulosa