DOI: 10.5281/zenodo.15141765
title: Table 2. Dextrasepiola taenia n. gen. & n in Two new genera and species of sepioline squids (Cephalopoda: Sepiolidae) from Australia

description: Table 2. Dextrasepiola taenia n.gen. & n.sp. measurement, counts and indices
SpeciesDextrasepiola taeniaMuseumMOVMOVMOVMOVRegistration numberF80458F74469F91361F91359Specimen number1234Type status Cruise Station numberHolotype Moreton Bay Survey J43, Loc.31Paratype 2 Moreton Bay Survey J26, Location 41Paratype 3 Moreton Bay Survey J26, Location 41Paratype 1 Moreton Bay Survey J43, Location 31SexmalemalefemalefemaleMaturity5555DML (mm)8.26.58.77.8VMLI HLI HWI93.9 29.3 75.6113.8 36.9 95.4103.4 51.7 74.7102.6 43.6 88.5NCI26.4224036.1MWI87.890.886.292.3FuLI53.783.165.570.5FuWI46.343.147.151.3FFuI FLI FBLI81.8 48.8 35.461.1 67.7 35.461.4 63.2 3160 61.5 32.1FWI43.964.644.856.4A1LI54.984.651.757.7A2LI67.184.66964.1A3LI85.4107.763.264.1A4LI Arm formula54.9 3.2.1.=4.92.3 3.4.1.=2.57.5 2.3.4.1.51.3 2.=3.1.4.AR1LI TtLI67.1 85.492.3 –– 137.9– 179.5ClLI30.5–2338.5ClRC6–66GLI32.946.241.428.2GWI18.329.22321.8GiLC1820–15A1SC A2SC28 2730 31 right29 3030 30A3SC–––27A4SC263129 right27AR1SC ClSI25 2.229 –– –– –A1SI A2SI– –4.6 –– –– –A3SI––––A4SI––––SpLI SpWI SpRIa:26; b:24.3; c:30.1; d:27.4; e:28.2 a:3.9; b:4.2; c:3.4; d:3.7; e:4.8 a:20.7; b:22.1; c:19; d:22.2; e:21.6– – –– – –– – –CBIa:33.8; b:36.2; c:30.4; d:34.7; e:33.8–––NidGI––54.436.6
Note: Maturity 4, subadult – sexual characters well distinguished but gonads and accessory organs not completely developed; Maturity 5, adult – sexually mature with spermatophores in Needham’s sac in males; ovaries, nidamental and oviducal glands fully developed and ripe, eggs sometimes in oviducts, in females; DML, dorsal mantle length (mm) – measured from anterior-most point of mantle to posterior end of mantle; VMLI, ventral mantle length index – ventral mantle length, measured from anterior border of mantle at ventral midline, to apex of mantle, expressed as a percentage of DML; HLI, head length index – dorsal length of head measured from point of fusion of dorsal arms to anterior tip of dorsal mantle expressed as a percentage of DML; HWI, head width index – greatest width of head at level of eyes expressed as a percentage of DML; NCI, nuchal commissure width index – width of nuchal commissure expressed as a percentage of width of mantle at the position of nuchal commissure; MWI, mantle width index – mantle width at mantle opening expressed as a percentage of DML; FuLI, funnel length index – length of funnel from anterior funnel opening to posterior border of funnel measured along ventral midline expressed as a percentage of DML; FuWI, funnel width index – width of funnel at junction of funnel and head just anterior to funnel locking cartilages expressed as a percentage of DML; FFuI, free funnel index – length of funnel from the anterior opening to the point of dorsal attachment to head expressed as a percentage of funnel length; FLI, fin length index – greatest length of a single fin expressed as a percentage of DML; FBLI, fin base length index – length of fin attachment to mantle expressed as a percentage of DML; FWI, fin width index – greatest width of a single fin expressed as a percentage of DML; A 1 LI, arm I length index – length of arm I expressed as a percentage of DML; A 2 LI, arm II length index – length of arm II expressed as a percentage of DML; A LI, arm III length index – length of arm III expressed as a percentage of DML; A LI, arm IV length index – length of arm IV 3 4 expressed as a percentage of DML; A LI, right arm I length index – length of right arm I expressed as a percentage of DML (only in males); TtLI, tentacle length index R1 – total length of tentacular stalk and club expressed as a percentage of DML; ClLI, club length index – length of club, measured from proximal-most basal sucker to distal tip of club expressed as a percentage of DML; CIRC, club row count – number of longitudinal rows of suckers across width of club; GLI, gill length index – length of gill expressed as a percentage of DML; GWI, gill width index – greatest width of gill expressed as a percentage of DML; GiLC, gill lamellae count – number of lamellae on outer demibranch, excluding terminal lamella;A SC, sucker counts of arm I – total number of suckers or sucker stalks on arm I; A SC, sucker counts of 1 2 arm II – total number of suckers or sucker stalks on arm II; A SC, sucker counts of arm III – total number of suckers or sucker stalks on arm III; A SC, sucker counts of 3 4 arm IV – total number of suckers or sucker stalks on arm IV; A R1 SC, sucker counts of right arm I – total number of suckers or sucker stalks on right arm I (only in males); ClSI, club sucker index – diameter of largest club sucker expressed as a percentage of DML; A 1 SI, arm I sucker index – diameter of largest sucker on arm I expressed as a percentage of DML; A SI, arm II sucker index – diameter of largest sucker on arm II expressed as a percentage of DML; A SI, arm III sucker index – 2 3 diameter of largest sucker on arm III expressed as a percentage of DML; A 4 SI, arm IV sucker index – diameter of largest sucker on arm IV expressed as a percentage of DML; SpLI, spermatophore length index – length of spermatophore expressed as a percentage of DML; SpWI, spermatophore width index – greatest width of spermatophore expressed as a percentage of spermatophore length; SpRI, sperm reservoir index – length of sperm reservoir expressed as a percentage of spermatophore length; CBI, cement body index – length of cement body expressed as a percentage of spermatophore length; NidGI, nidamental gland index – length of nidamental gland expressed as a percentage of DML.
description: Published as part of Lu, Chung Cheng & Okutani, Takashi, 2022, Two new genera and species of sepioline squids (Cephalopoda: Sepiolidae) from Australia, pp. 4 in Memoirs of Museum Victoria 81 on page 4, DOI: 10.24199/j.mmv.2022.81.01, http://zenodo.org/record/10666316