Morphological phylogenetics provide new insights into the classification and evolution of fossil soldier beetles from Mid-Cretaceous Burmese amber (Coleoptera: Cantharidae) Author Hsiao, Yun Author Li, Yun Author Ren, Dong Author Pang, Hong text Zoological Journal of the Linnean Society 2021 2021-02-03 193 1271 1293 https://doi.org/10.1093/zoolinnean/zlaa184 journal article 3115 10.1093/zoolinnean/zlaa184 c0c8a1d4-59e5-4d8a-80bf-de2018ab0bf3 0024-4082 5753254 A8B9DE67-0C57-49D6-B865-388AD51AA50F KEY TO THE GENERA OF BURMITE CANTHARINAE 1. Disc of pronotum without large depression; elytra deeply punctate, sometimes forming rows of reticulate punctures; caudal segment simple, unmodified.............................................................................................. 2 – Disc of pronotum with large depression anteriorly; elytra smooth; caudal segment distinctly furcated, fishtail-shaped .................................................................................................................. Hukawngichthyurus 2. Pronotum broad and laterally rounded, sides forming continuous curve with anterior edge, without prominent anterior angle ................................................................................................................................. 3 – Pronotum subquadrate to trapezoidal or distinctly transverse, sides not forming continuous curve with anterior edge because of noticeable anterior angle ........................................................................................ 5 3. Antennae pectinate ........................................................................................................................ Burmomiles – Antennae filiform or serrate ............................................................................................................................ 4 4. Antennae filiform; head slightly narrowed basally; pronotum broad anteriorly, with sides subparallel; tarsomeres 1–3 slightly bilobed.................................................................................................. Elektrokleinia – Antennae serrate; head strongly narrowed basally; pronotum strongly narrowed anteriorly; tarsomeres 1–3 simple ................................................................................................................................. Palaeocantharis 5. Lateral edges of pronotum serrate ......................................................................................... Myamalycocerus – Lateral edges of pronotum simple ................................................................................................................... 6 6. Pronotum trapezoidal or distinctly transverse ............................................................................................... 7 – Pronotum subquadrate .............................................................................................................. Cretocantharis 7. Head rounded behind eyes; disc of pronotum rugose ........................................................... Ornatomalthinus – Head strongly narrowed basally; disc of pronotum smooth ....................................................... Sanaungulus