Table 5 in Neither leg nor jaw-nor always the same: a critical revision of the eumalacostracan maxilliped

Table 5. Extrinsic and intrinsic muscles of thoracopod 1 (Thp1; right) in Praunus flexuosus (male)
MuscleSizeLocation of proximal attachment site (origin)Location of distal attachment site (insertion)TC1 (Fig. 14A)/Anterior on thoraxProximal in coxa; possibly on central endoskel- etal structure; closely lateral to TC2TC2 (Fig. 14A)//Within thorax on endoskeleton, proximal to second maxillaProximal in coxa; possibly on central endoskel- etal structure; closely medial to TC1TEp1 (Fig. 14B)//Medially, on sternum (thorax)Posterodorsal on proximal margin of epipodTB1 (Fig. 14A, B)//Anteromedial on thorax; closely proximal to TB2Posterior on medial portion of basis; closely lat- eral to TB2TB2 (Fig. 14B)/Anteromedial on thorax; closely distal to TB1Posterior on medial portion of basis; closely medial to TB1TB3 (Fig. 14A)///Anteromedial on thorax; closely lateral to TB5On anterior invagination of basisTB4 (Fig. 14A)//Anteromedial on thorax; medial to TB5Anteromedial on proximal margin of medial por- tion of basisTB5 (Fig. 14A)/Anteromedial on thorax; closely medial to TB3Anterior on proximal margin of medial portion of basisTB6 (Fig. 14B)//Posterolateral on thoraxPosterior on central portion of basis; closely medial to TB7TB7 (Fig. 14B)//Posteromedial on thoraxPosterior on central portion of basis; closely lat- eral to TB6TB8 (Fig. 14A, B)//Anteromedial on thoraxPosterolateral on medial portion of basisTB9a (Fig. 14B)/Posterior on thorax; lateral to TB9bPosteromedial at proximal margin of basis; to- gether with TB9aTB9b (Fig. 14B)/Posterior on thorax; medial to TB9aPosteromedial at proximal margin of basis; to- gether with TB9bCEp1 (Fig. 14A, B)//Medial on coxaVentral on proximal margin of epipodBEx1 (Fig. 14B)//Anterior on medial-central apodeme of basisPosteroventral on proximal margin of exopodBEx2 (Fig. 14A, B)//On medial wall of medial portion of basisDorsal on proximal margin of exopod, closely posterior to BEx3BEx3 (Fig. 14A)/On anterior invagination of basisDorsal on proximal margin of exopod, closely an- terior to BEx2ExP1 (Fig. 14B, C)///Dorsal on proximal stem of peduncle of exopodMedial on distal half of peduncle of exopodExP2 (Fig. 14B, C)//Dorsal on proximal stem of peduncle of exopodDorsal on distal wall of peduncle of exopodExF1 (Fig. 14B, C)//Posterodorsal on proximal stem of peduncle of exopodPosterior on proximal margin of flagellumExF2 (Fig. 14B, C)///On medial wall of peduncle of exopodAnterior on proximal margin of flagellumExF3 (Fig. 14B, C)//As two separated strands on proximal margin of flagellum of exopodUnited at the distal tip of the exopodExF4 (Fig. 14B, C)/Posteroventral on wall of proximal first an- nulus of flagellum of exopodPosterior on proximal wall of second annulus of flagellum of exopod; close to ExF3BIs1 (Fig. 14A–C)//Posterior on proximal margin of medial por- tion of basis; closely proximal to BM2Posteromedial on proximal margin of ischium; closely medial to BIs2BIs2 (Fig. 14B, C)//Posterior on proximal margin of medial por- tion of basis; closely distal to BM2Posteromedial on proximal margin of ischiumBM1 (Fig. 14A–C)//Posterior on medial portion of basisAnterolateral on proximal margin of merusBM2 (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.