Table 2 in Neither leg nor jaw-nor always the same: a critical revision of the eumalacostracan maxilliped

Table 2. Extrinsic and intrinsic muscles in thoracopod 1 (Thp1; right) of Anaspides richardsoni (female) MuscleSizeLocation of proximal attachment site (origin)Location of distal attachment site (insertion)TC1 (Fig. 5A)//Posteromedial on roof apodeme of thoraxMedial on posterior invagination of coxaTC2 (Fig. 5A)//On posterolateral body wall of thoracomerePosteromedial on proximal endite of coxaTC3 (Fig. 5B)//Anterior on body wall of thoracomereAnteromedial on proximal margin of coxaTC4 (Fig. 5B)//Anterior on body wall of thoracomereAnterior on proximal margin of coxaTC5 (Fig. 5A)///Anterolateral on body wall of thoracomere (pleuron)Posterolateral on posterior invagination of coxaTC6 (Fig. 5B)///Anterolateral, on infolding of lateral wall of thoracomere; close to proximal margin of coxaAnterior on endoskeletal ligament plane be- tween anterior coxa and posterior invaginationTEp1 (Fig. 5A)/On posteromedial body wall of thoracomere; close to margin of coxaPosterolateral on posterior coxa plate; close to the origin of distal epipodTIn1 (Fig. 5B)///Lateral on body wall of thoracomere (pleuron)Anterolateral on proximal margin of intrabasisTB1 (Fig. 5A, B)///On anteromedial extension of proximal endoskel- eton; close to edge of thoraxAnteromedial on proximal margin of basisTB2 (Fig. 5A)///Posteromedial on roof apodeme of thoraxPosterior on proximal margin of basisTB3 (Fig. 5A)///Posteromedial on roof apodeme of thorax; close to M4Posteromedial on proximal margin of basisCEp1 (Fig. 5A, B)/On posteromedial extension of proximal endo- skeleton; close to proximal margin of coxaLateral on anterior coxa, close to the origin of proximal epipodCIn1 (Fig. 5A)//Posteromedial on margin of proximal enditeDistal on anterolateral wall of intrabasisCIn2 (Fig. 5B)//Posteromedial, on posterior coxa plate and anteromedial extension of proximal endoskel- etonAnterolateral on proximal margin of intrabasis; close to M8CB1 (Fig. 5B)///On anteromedial extension of proximal endoskel- eton of coxaPosteromedial on proximal margin of basis; close to M21CB2 (Fig. 5A)//Posteromedial on posterior coxa plateOn posterior margin of basisCB3 (Fig. 5A)///Posteromedial on posterior invagination of coxaPosterolateral on proximal margin of basisCB4 (Fig. 5A)///Posterolateral on posterior invagination of coxaPosterolateral on proximal margin of basisCB5 (Fig. 5B)/On anterior extension of proximal endoskeleton; close to proximal margin of coxaPosteromedial on proximal margin of basisInB1 (Fig. 5A)//Anterolateral on distal margin of intrabasisPosterolateral on proximal margin of basisBIs1 (Fig. 6A)//Posterolateral on wall of basisPosterolateral on proximal margin of endopod (ischium)BIs2 (Fig. 6A)///On medial half of posterior wall of basisPosteromedial on proximal margin of endopod (ischium)IsM1 (Fig. 6A, B)///Posteromedial to posterolateral at proximal margin of ischiumPosterior on proximal margin of merusIsM2 (Fig. 6B)//Anterior at proximal margin of ischiumAnterior on proximal margin of merusMC1 (Fig. 6B)//Anterior to anteromedial at proximal half of merusAnterior on proximal margin of carpusMC2 (Fig. 6A–C)///As two strands medial and lateral at proximal margin of merusPosterior on proximal margin of carpusCP1//Posterior at proximal margin of carpusPosterior on proximal half-ring at margin of(Fig. 6B, C)propodusCP2//Lateral at proximal half of carpusAnterolateral on proximal half-ring at margin of(Fig. 6C)propodusCP3/Anterolateral at about half of carpusAnterolateral on proximal margin of propodus(Fig. 6C)CP4//Anterior at proximal margin of carpusAnteromedial on proximal half-ring at margin of(Fig. 6B)propodusCD1/Posterior on proximal margin of carpusPosterior on proximal margin of dactylus; to-(Fig. 6B, C)gether with M31PD1//Posterior at proximal margin of propodus; closelyPosterior on proximal margin of dactylus; around(Fig. 6B, C)proximal to M30M30PD2/Anterior at proximal margin of propodusAnterior on proximal margin of dactylus(Fig. 6C)TC1 (Fig. 9D)///Posteromedial on roof-like apodeme of thoraxMedial on dorsal extension of posterolateral invagination of coxaTC2 (Fig. 9A, C)//Posterolateral on wall of thoracomerePosteromedial on coxal enditeTC3 (Fig. 9A)//Anterolateral on body wall of thoracomereProximally anteromedial in enditeTC4 (Fig. 9C)///Posterolateral on body wall of thoracomere; close to proximal margin of coxaPosterolateral on dorsal extension of posterolateral invagination of coxaTC5 (Fig. 9A)///Anterolateral on body wall of thoracomereAnterolateral on coxaTC6 (Fig. 9A, C)//Anterior on body wall of thoracomere; close to the proximal margin of coxaOn dorsal extension of posterolateral invagination of coxaTC7 (Fig. 9D)//Posterolateral on wall of thoracomerePosterolateral on posterolateral inva- gination of coxaTIn1 (Fig. 9C, D)///Posterolateral on roof-like apodeme of thorax; close to TIn4Lateral on intrabasisTIn2 (Fig. 9D)///Posterior on roof-like apodeme of thoraxAnterior on intrabasisTIn3 (Fig. 9D)///Posterior on roof-like apodeme of thorax; close to TIn4Anterior on intrabasisTIn4 (Fig. 9A)//Posterolateral on roof-like apodeme of thoraxAnterolateral on intrabasisCIn1 (Fig. 9D)//Posterolateral on posterolateral invagination of coxaPosterolateral on intrabasisCIn2 (Fig. 9A, D)/On anteriorly directed distal extension of posterolateral invagination of coxaAnterior in bulb of intrabasisInB1 (Fig. 9A, C)//Anterolateral on intrabasisPosterolateral on proximal margin of basisInB2 (Fig. 9A, D)//Anterior on proximal margin of intrabasisPosterior on proximal margin of basisBEx1a (Fig. 9A, C, D)///Posteromedial on wall of basisPosteroventral on proximal margin of exopod; close to BEx1bBEx1b (Fig. 9A)//Anteromedial on wall of basisAnteroventral on proximal margin of exopod; close to BEx1aBEx2 (Fig. 9A, C)///Posteromedial on wall of basisAnterodorsal on proximal margin of exopodExP1 (Fig. 9A)/Anteroventral at proximal margin of peduncle of exopodAnteroventral on proximal half of ped- uncle of exopodExP2 (Fig. 9A, B)///Dorsal on proximal stem of peduncle of exopodDorsal on distal wall of peduncle of exopodExF1 (Fig. 9B)/Posteroventral at proximal margin of peduncle of exopodPosteroventral on proximal margin of flagellum of exopodExF2 (Fig. 9A)//Anteroventral at distal half of peduncleAnterodorsal on proximal margin of flagellum of exopodExF3 (Fig. 9A, B)/At distal margin of peduncle of exopodDistal in flagellum of exopodIsM1 (Fig. 9A, C, D)///Medial at proximal margin of ischiumMedial on proximal margin of merusIsM2 (Fig. 9A, C, D)//Lateral at proximal margin of ischiumLateral on proximal margin of merusMC1 (Fig. 9B, E)/Lateral at proximal margin of merusLateral on proximal margin of carpusMC2 (Fig. 9B, E)/Medial at proximal margin of merusMedial on proximal margin of carpusCP1 (Fig. 9E)/Posterior at proximal margin of carpusPosteromedial on proximal margin of propodus with two insertion points (possibly two muscles)CP2 (Fig. 9E)/Anterior at proximal margin of carpusAnterolateral on proximal margin of propodus with two insertion points (possibly two muscles)PD1 (Fig. 9E)/Posterior at proximal margin of propodusPosteromedial on proximal margin of dactylusPD2 (Fig. 9E)/Anterior at proximal margin of propodusAnterolateral on proximal margin of dactylusTEp1 (Fig. 11C)///Anteromedial, on sternum (thorax)Posterodorsal on sclerite S1 of epipodTB1 (Fig. 11A, C)/Posterior on roof-like apodeme of thoraxPosterolateral on posterior finger-like portion of basis; close to CB2 and CB3TB2 (Fig. 11C)//Anterior on body wall of thoracomere; close to Posterior on proximal margin of basis the proximal margin of coxaCEp1 (Fig. 11A)///Medial on wall of coxaAnteroventral on sclerite S2 of epipodCB1 (Fig. 11C)//Anteromedial at proximal wall of coxa; proximomedial to CB4Posterior on proximal margin of basisCB2 (Fig. 11A, C)//Posterolateral on wall of coxaPosterolateral on posterior finger-like portion of basisCB3 (Fig. 11C)/Lateral on posterior invagination of coxaPosterolateral on posterior finger-like portion of basisCB4 (Fig. 11A, C)//Snteromedial on distal half of coxa; distal to CB1; medial to CB5Anterior on proximal margin of basis; closely medial to CB5CB5 (Fig. 11A, C)//Anterior on proximal half of coxa; lateral to CB4Anterior on proximal margin of basis; closely lateral to CB4BEx2 (Fig. 11A, C)/Posteromedial on narrow portion of lateral half of basisPosterodorsal on exopod (i.e. On margin of proximal stem)ExP1 (Fig. 11A, C)//Lateral on the proximal stem of exopodMedial on the first quarter of distal portion of exopodBIs1 (Fig. 12A, B)/Posteromedial at proximal margin of basisPosterolateral on proximal margin of ischiumBIs2a (Fig. 12A, B)//Medial at proximal margin of basisMedial on proximal margin of ischiumBIs2b (Fig. 12A, B)//Posteromedial at proximal margin of basis; close to BIs1 and BM1Posteromedial on proximal margin of ischiumBM1 (Fig. 12A, B)/Posteromedial at proximal margin of basisLateral on proximal margin of merusBM2 (Fig. 12A, B)/Medially at proximal margin of basisPosteromedial on proximal margin of merusMC1 (Fig. 12A, B)/Anteromedial at proximal margin of merusPosterolateral on proximal margin of carpusMC2 (Fig. 12A, B)//Medial at proximal margin of merusPosteromedial on proximal margin of carpusCP1 (Fig. 12A, B)//Lateral at proximal margin of carpusMedially on proximal margin of propodusCP2 (Fig. 12A, B)/Laterally at distal half of carpusLateral on proximal margin of propodusPD1 (Fig. 12A, B)//Posterolateral and anterolateral at proximal margin of propodusAnteromedial on proximal margin of dactylusPD2 (Fig. 12A, B)/Anterolateral at proximal margin of propodusPosterolateral on proximal margin of dactlyusBM2 (Fig. 14A, B; +, 14C)//Posterior on proximal margin of medial por- tion of basis; between BIs1 & BIs2Posteromedial on proximal margin of merusIsM1 (Fig. 14A–C)//Anteromedial at proximal margin of ischiumPosteromedial on proximal margin of merusMC1 (Fig. 14C)//Anterolateral at proximal margin of merusPosterolateral on proximal margin of carpusMC2a (Fig. 14C)//Posterolateral at proximal margin of merusMedial on proximal margin of carpusMC2b (Fig. 14C)//Anteromedial at proximal margin of merusAnteromedial on proximal margin of carpusCP1a (Fig. 14C)//Anterior at proximal margin of carpusAnteromedial on proximal margin of propodusCP1b (Fig. 14C)//Posterior at proximal margin of carpusPosteromedial on proximal margin of propodusCP2 (Fig. 14C)/Posterolateral at proximal margin of carpusPosterolateral on proximal margin of propodusPD1 (Fig. 14C)//Medial at proximal margin of propodusMedial on proximal margin of dactylusPD2 (Fig. 14C)//Posterolateral at proximal margin of propodusPosterolateral on proximal margin of dactylusTC1 (Fig. 15A)//From within thoraxPosteromedial at about half of coxa (slightly proximal to origin of CB2 and 6)CEp1 (Fig. 15B)/Proximally anteromedial in coxaProximally anterodorsal on epipodCB1 (Fig. 15B)/Distally anteromedial in coxaPosteromedial in proximal half of basis (close to origin BIs2 and BM2)CB2 (Fig. 15A)/Posteromedial at about half of coxaAnterolateral on basis (closely anteroproximal to exopod)CB3 (Fig. 15A)//Proximally posterior in coxa (slightly lateral to CB7)Proximally lateral on basis (slightly proximal to CB6)CB4 (Fig. 15B)//Distally anterior in coxaAnteromedial on proximal half of basisCB5 (Fig. 15A)//Proximally posterior in coxa (slightly medial to CB5)Posterior on proximal margin of basisCB6 (Fig. 15B)/Posteromedial at about half of coxa (slightly lateral to CB2)Proximally lateral on basisCB7 (Fig. 15B)//Proximally posterior in coxa (slightly medial to CB4)Anterior at about half of basisCB8 (Fig. 15A)//Proximally lateral in coxaAnterior on proximal margin of basisBEx1 (Fig. 15B)/Lateral in proximal half of basisProximally posteroventral on exopodBIs1 (Fig. 15A)//Proximally posteromedial in basisLateral on proximal margin of ischiumBIs2 (Fig. 15A)//Proximally posteromedial in basis (slighly distolateral BIs1)Medial on proximal margin of ischiumBM1 (Fig. 15A)//Proximally posteromedial in basisLateral on proximal margin of merusBM2 (Fig. 15A)//Proximally medial in basisMedial in proximal margin of merusMC1 (Fig. 15A)//Proximally anterior in merusAnterolateral on proximal margin of carpusMC2 (Fig. 15A)//As three distinct strands proximally posterior Posteromedial on proximal margin of carpus to anteromedial in merusCP1 (Fig. 15A)//As two distinct strands proximally posterolateral and anteromedial in carpusMedial on proximal margin of propodusCP2 (Fig. 15A)/Anteromedial in carpus (slightly distal to CP1)Anterolateral to lateral on proximal margin of propodusPD1 (Fig. 15A)//As three distinct strands proximally anterior to lateral in propodusMedial on proximal margin of dactylusPD2 (Fig. 15A)/Lateral in propodus (slightly posterior to PD1)Lateral on proximal margin of dactylus Muscles are characterized by their proximal and distal attachment sites. Relative size (compared with one another, based on circumference) is specified by one (/ = ‘small’) to three (/// = ‘large’) slashes. Muscles are characterized by their proximal and distal attachment sites. Relative size (compared with one another, based on circumference) is specified by one (/ = ‘small’) to three (/// = ‘large’) slashes. Muscles are characterized by their proximal and distal attachment sites. Relative size (compared with one another, based on circumference) is specified by one (/ = ‘small’) to three (/// = ‘large’) slashes. Muscles are characterized by their proximal and distal attachment sites. Relative size (compared with one another, based on circumference) is specified by one (/ = ‘small’) to three (/// = ‘large’) slashes. Muscles are characterized by their proximal and distal attachment sites. Relative size (compared with one another, based on circumference) is specified by one (/ = ‘small’) to three (/// = ‘large’) slashes.表2 理查逊异足虾（Anaspides richardsoni，雌性）第1胸足（Thp1；右侧）的外在肌与内在肌 肌肉 | 相对大小 | 近端附着点（起点）位置 | 远端附着点（止点）位置 TC1（图5A） | /// | 胸部顶板状内骨骼突的后内侧 | 基节后内陷的内侧 TC2（图5A） | /// | 胸节后外侧体壁 | 基节近端内叶的后内侧 TC3（图5B） | /// | 胸节前体壁 | 基节近端前缘的前内侧 TC4（图5B） | /// | 胸节前体壁 | 基节近端前缘的前侧 TC5（图5A） | /// | 胸节（侧背板）体壁的前外侧 | 基节后内陷的后外侧 TC6（图5B） | /// | 胸节外侧壁褶内，靠近基节近端前缘 | 基节前部与后内陷之间的内骨骼韧带平面的后侧 TEp1（图5A） | / | 胸节后外侧体壁，靠近基节边缘 | 基节后侧板的后外侧，靠近外肢远端起点 TIn1（图5B） | /// | 胸节（侧背板）体壁外侧 | 内基节近端前缘的前外侧 TB1（图5A、B） | /// | 近端内骨骼的前内侧延伸部，靠近胸节边缘 | 基节近端前缘的前内侧 TB2（图5A） | /// | 胸部顶板状内骨骼突的后内侧 | 基节近端后缘的后侧 TB3（图5A） | /// | 胸部顶板状内骨骼突的后内侧，靠近M4 | 基节近端后缘的后内侧 CEp1（图5A、B） | / | 近端内骨骼的后外侧延伸部，靠近基节近端前缘 | 基节前部外侧，靠近内肢近端起点 CIn1（图5A） | / | 近端内叶边缘的后内侧 | 内基节前外侧壁的远端 CIn2（图5B） | // | 基节后侧板及近端内骨骼的前内侧延伸部的后内侧 | 内基节近端前缘的前外侧，靠近M8 CB1（图5B） | /// | 基节近端内骨骼的前内侧延伸部 | 基节近端后缘的后内侧，靠近M21 CB2（图5A） | // | 基节后侧板 | 基节后缘的后侧 CB3（图5A） | /// | 基节后内陷的后内侧 | 基节近端后缘的后外侧 CB4（图5A） | /// | 基节后内陷的后外侧 | 基节近端后缘的后外侧 CB5（图5B） | / | 近端内骨骼的前延伸部，靠近基节近端前缘 | 基节近端后缘的后内侧 InB1（图5A） | // | 内基节远端前缘的前外侧 | 基节近端后缘的后外侧 BIs1（图6A） | // | 基节壁的后外侧 | 内肢（座节）近端后缘的后外侧 BIs2（图6A） | /// | 基节后壁的内侧半 | 内肢（座节）近端后缘的后内侧 IsM1（图6A、B） | /// | 座节近端后缘至后外侧 | 腕节近端后缘的后侧 IsM2（图6B） | // | 座节近端前缘的前侧 | 腕节近端前缘的前侧 MC1（图6B） | // | 腕节近端半的前侧至前内侧 | 掌节近端前缘的前侧 MC2（图6A–C） | /// | 腕节近端缘的内侧与外侧两股 | 掌节近端后缘的后侧 CP1（图6B、C） | // | 掌节近端后缘的后侧 | 掌节边缘近端半环的后缘（图6B、C） CP2（图6C） | // | 掌节近端半的外侧 | 掌节边缘近端半环的前外侧（图6C） CP3（图6C） | / | 掌节约一半处的前外侧 | 掌节近端前缘的前外侧（图6C） CP4（图6B） | // | 掌节近端前缘的前侧 | 掌节边缘近端半环的前内侧（图6B） CD1（图6B、C） | / | 掌节近端后缘的后侧 | 指节近端后缘的后侧，与M31共同（图6B、C） PD1（图6B、C） | // | 掌节近端后缘的后侧，紧邻M30 | 指节近端后缘的后侧，环绕M30（图6B、C） PD2（图6C） | / | 掌节近端前缘的前侧 | 指节近端前缘的前侧（图6C） TC1（图9D） | /// | 胸部顶板状内骨骼突的后内侧 | 基节后外侧内陷的背侧延伸部的内侧 TC2（图9A、C） | /// | 胸节后外侧体壁 | 基节内叶的后内侧 TC3（图9A） | /// | 胸节前体壁 | 内叶近端的前内侧 TC4（图9C） | /// | 胸节后外侧体壁，靠近基节近端前缘 | 基节后外侧内陷的背侧延伸部的后外侧 TC5（图9A） | /// | 胸节前体壁的前外侧 | 基节前外侧 TC6（图9A、C） | /// | 胸节前体壁，靠近基节近端前缘 | 基节后外侧内陷的背侧延伸部 TC7（图9D） | /// | 胸节后外侧体壁 | 基节后外侧内陷的后外侧 TIn1（图9C、D） | /// | 胸部顶板状内骨骼突的后外侧，靠近TIn4 | 内基节的外侧 TIn2（图9D） | /// | 胸部顶板状内骨骼突的后侧 | 内基节的前侧 TIn3（图9D） | /// | 胸部顶板状内骨骼突的后侧，靠近TIn4 | 内基节的前侧 TIn4（图9A） | /// | 胸部顶板状内骨骼突的后外侧 | 内基节的前外侧 CIn1（图9D） | // | 基节后外侧内陷的后外侧 | 内基节的后外侧 CIn2（图9A、D） | / | 基节后外侧内陷的前向远端延伸部 | 内基节球部的前侧 InB1（图9A、C） | // | 内基节的前外侧 | 基节近端后缘的后外侧 InB2（图9A、D） | // | 内基节近端前缘的前侧 | 基节近端后缘的后侧 BEx1a（图9A、C、D） | /// | 基节壁的后外侧 | 外肢近端后缘的后腹侧，靠近BEx1b BEx1b（图9A） | // | 基节壁的前内侧 | 外肢近端前缘的前腹侧，靠近BEx1a BEx2（图9A、C） | /// | 基节壁的后外侧 | 外肢近端后缘的前背侧 ExP1（图9A） | / | 外肢柄部近端前缘的前腹侧 | 外肢柄部近端半的前腹侧 ExP2（图9A、B） | /// | 外肢柄部近端茎的背侧 | 外肢柄部远端壁的背侧 ExF1（图9B） | / | 外肢柄部近端前缘的后腹侧 | 外肢鞭部近端后缘的后腹侧 ExF2（图9A） | // | 外肢柄部远端半的前腹侧 | 外肢鞭部近端前缘的前背侧 ExF3（图9A、B） | / | 外肢柄部的远端缘 | 外肢鞭部的远端 IsM1（图9A、C、D） | /// | 座节近端缘的内侧 | 腕节近端缘的内侧 IsM2（图9A、C、D） | // | 座节近端缘的外侧 | 腕节近端缘的外侧 MC1（图9B、E） | / | 腕节近端缘的外侧 | 掌节近端缘的外侧 MC2（图9B、E） | / | 腕节近端缘的内侧 | 掌节近端缘的内侧 CP1（图9E） | / | 掌节近端缘的后侧 | 掌节近端缘的后内侧，具两个附着点（可能为两块肌肉） CP2（图9E） | / | 掌节近端缘的前侧 | 掌节近端缘的前外侧，具两个附着点（可能为两块肌肉） PD1（图9E） | / | 掌节近端缘的后侧 | 指节近端缘的后内侧 PD2（图9E） | / | 掌节近端缘的前侧 | 指节近端缘的前外侧 TEp1（图11C） | /// | 胸节（胸部）腹板的前内侧 | 外肢突S1骨片的后背侧 TB1（图11A、C） | / | 胸部顶板状内骨骼突的后侧 | 基节后指状部的后外侧，靠近CB2与CB3 TB2（图11C） | // | 胸节前体壁，靠近基节近端前缘 | 基节近端后缘的后侧 CEp1（图11A） | / | 基节壁的内侧 | 外肢突S2骨片的前腹侧 CB1（图11C） | // | 基节近端壁的前内侧，近CB4的前内侧 | 基节近端后缘的后侧 CB2（图11A、C） | // | 基节壁的后外侧 | 基节后指状部的后外侧 CB3（图11C） | / | 基节后内陷的外侧 | 基节后指状部的后外侧 CB4（图11A、C） | // | 基节远端半的前内侧，位于CB1远端、CB5内侧 | 基节近端前缘的前侧，紧邻CB5的内侧 CB5（图11A、C） | // | 基节近端半的前侧，位于CB4外侧 | 基节近端前缘的前侧，紧邻CB4的外侧 BEx2（图11A、C） | / | 基节外侧半窄部的后内侧 | 外肢的后背侧（即外肢近端茎的边缘） ExP1（图11A、C） | // | 外肢近端茎的外侧 | 外肢远端部分第一季度的内侧 BIs1（图12A、B） | // | 基节近端缘的后内侧 | 座节近端缘的后外侧 BIs2a（图12A、B） | // | 基节近端缘的内侧 | 座节近端缘的内侧 BIs2b（图12A、B） | // | 基节近端缘的后内侧，靠近BIs1与BM1 | 座节近端缘的后内侧 BM1（图12A、B） | / | 基节近端缘的后内侧 | 腕节近端缘的外侧 BM2（图12A、B） | // | 基节近端缘的内侧 | 腕节近端缘的后内侧 MC1（图12A、B） | // | 腕节近端缘的前内侧 | 掌节近端缘的后外侧 MC2（图12A、B） | // | 腕节近端缘的内侧 | 掌节近端缘的后内侧 CP1（图12A、B） | // | 腕节近端缘的外侧 | 掌节近端缘的内侧 CP2（图12A、B） | / | 掌节远端半的外侧 | 掌节近端缘的外侧 PD1（图12A、B） | // | 掌节近端缘的后外侧与前外侧 | 指节近端缘的前内侧 PD2（图12A、B） | / | 掌节近端缘的前外侧 | 指节近端缘的后外侧 BM2（图14A、B；+，14C） | // | 基节内侧部近端缘的后侧，位于BIs1与BIs2之间 | 腕节近端缘的后内侧 IsM1（图14A–C） | // | 座节近端缘的前内侧 | 腕节近端缘的后内侧 MC1（图14C） | // | 腕节近端缘的前外侧 | 掌节近端缘的后外侧 MC2a（图14C） | // | 腕节近端缘的后外侧 | 掌节近端缘的内侧 MC2b（图14C） | // | 腕节近端缘的前内侧 | 掌节近端缘的前内侧 CP1a（图14C） | // | 掌节近端缘的前侧 | 掌节近端缘的前内侧 CP1b（图14C） | // | 掌节近端缘的后侧 | 掌节近端缘的后内侧 CP2（图14C） | // | 掌节近端缘的后外侧 | 掌节近端缘的后外侧 PD1（图14C） | // | 掌节近端缘的内侧 | 指节近端缘的内侧 PD2（图14C） | // | 掌节近端缘的后外侧 | 指节近端缘的后外侧 TC1（图15A） | // | 胸部内 | 基节约一半处的后内侧（略靠近CB2与CB6的起点） CEp1（图15B） | / | 基节近端的前内侧 | 外肢突近端的前背侧 CB1（图15B） | // | 基节远端的前内侧 | 基节近端半的后内侧（靠近BIs2与BM2的起点） CB2（图15A） | // | 基节约一半处的后内侧（略靠近CB2的外侧） | 基节的前外侧（紧邻外肢的前近端） CB3（图15A） | // | 基节近端的后侧（略靠近CB7的外侧） | 基节的近端外侧（略靠近CB6的近端） CB4（图15B） | // | 基节远端的前侧 | 基节近端半的前内侧 CB5（图15A） | // | 基节近端的后侧（略靠近CB5的内侧） | 基节近端缘的后侧 CB6（图15B） | // | 基节约一半处的后内侧（略靠近CB2的外侧） | 基节的近端外侧 CB7（图15B） | // | 基节近端的后侧（略靠近CB4的内侧） | 基节约一半处的前侧 CB8（图15A） | / | 基节近端的外侧 | 基节近端缘的前侧 BEx1（图15B） | / | 基节近端半的外侧 | 外肢近端的后腹侧 BIs1（图15A） | // | 基节近端的后内侧 | 座节近端缘的外侧 BIs2（图15A） | // | 基节近端的后内侧（略靠近BIs1的后外侧） | 座节近端缘的内侧 BM1（图15A） | // | 基节近端的后内侧 | 腕节近端缘的外侧 BM2（图15A） | // | 基节近端的内侧 | 腕节近端缘的内侧 MC1（图15A） | // | 腕节近端的前侧 | 掌节近端缘的前外侧 MC2（图15A） | // | 腕节前内侧至后内侧的近端三束独立肌束 | 掌节近端缘的后内侧 CP1（图15A） | // | 腕节近端的后外侧与前内侧的两束独立肌束 | 掌节近端缘的内侧 CP2（图15A） | // | 腕节的前内侧（略靠近CP1的远端） | 掌节近端缘的前外侧至外侧 PD1（图15A） | // | 掌节近端的前侧至外侧的三束独立肌束 | 指节近端缘的内侧 PD2（图15A） | // | 掌节的外侧（略靠近PD1的后侧） | 指节近端缘的外侧 所有肌肉均以其近端与远端附着位点为特征。肌肉相对大小基于周长进行相互比较，通过1至3条斜杠标注：/代表小型，//代表中型，///代表大型。