Microtus agrestis sensu lato – Field vole

  • Arhizodont molars
  • Cement present
  • Microtine enamel
  • M2 with a distal exul-loop after T3
  • m1 with:
    • 5 separated triangles (T1 to T5)
    • a marked asymmetry between T4 and T5
    • stronger alternation of the re-entrant angles BRA3-LRA 4 and BRA4-LRA5 which results in a confluence reduction of T6-T7
    • AC more angular and asymmetrical than M. arvalis

Essential references

Nadachowski, A., 1982. Late Quaternary Rodents of Poland with special reference to morphotype dentition analysis of voles. P.W.N., Warszava – Krakow.

Zimmerman, K., 1956. Zur Evolution der Molarenstruktur der Erdmaus, Microtus agrestis (L.). Zool. Jahrb., Abteil. Syst., Ökol. Geogr. Tiere 84, 270–274.