Mesozoic Coleopteran Faunas from Argentina: Geological Context, Diversity, Taphonomic Observations, and Comparison with Other Fossil Insect Records

Figure 4

Examples of fossil insects collected from Triassic insects localities, Western Argentina, illustrating the stage of preservation seen in the localities. (a) Argentinocupes pulcher, complete desarticulated elytron. (b) Argentinosyne frengüelli, complete articulated elytron. (c) Ademosyne arcucciae, complete articulated elytron and thoracic and abdominal elements. (d) Ademosyne punctuada, complete desarticulated elytron. (e) Argentinocupes abdalai, complete articulated elytron (Martins-Neto et al., [27]); (f)–(r) Indet. material: complete articulated elytron (m) and complete desarticulated elytron ((f)–(l), (n)–(r)). Ornamentation of elytra: smooth ((b), (f), (g), (k), (l), (m), (o), (q), (r)) and striate ((a), (c)–(e), (h), (i), (n), (p)). Scale bar: 1mm.