Early Miocene harpacticoid copepods from Campo La Granja amber mines, Chiapas.
(a) overview at low magnification showing in situ position of IHNFG–5312/Cop1–3. (b) in situ view of IHNFG–5315/Cop1–2, showing Darcythompsonia sp. (♀) [bottom right] and unidentified copepod (top left]. (c) Laophontidae sp. (♀) (IHNFG–4948/Cop1); arrows indicating strongly developed pleurotergites of genital double-somite and postgenital abdominal somites. (d) Cletodidae sp. (♀) (IHNFG–5315/Cop3). (e) Canthocamptidae sp. (Cletocamptus sp.) (♀) (IHNFG–5312/Cop2). (f) Unidentified copepodid, family unconfirmed (IHNFG–5315/Cop1). (g) Canthocamptidae sp. (possibly Cletocamptus sp.) (♀) in process of moulting (IHNFG–5313/Cop1); exuvium of preceding copepodid V stage arrowed. (h) Enhydrosoma sp. 1 (♀), Cletodidae (IHNFG–5314/Cop1); note large body size (compare Figs 4j and 5b). (i) Unidentified copepodid, family unconfirmed (IHNFG–5314/Cop2). (j) Enhydrosoma sp. 2 (♀), Cletodidae (IHNFG–5314/Cop3); note short caudal rami (compare Fig. 5b). (k) Unidentified copepodid, family unconfirmed (IHNFG–5311/Cop1. (l) Darcythompsonia sp. (♂), Darcythompsoniidae (IHNFG–5312/Cop1); arrow indicating raised bifid anal operculum.