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Figs. 29–37 in Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)

Figs. 29–37. Helophorus (Mesosperchus) tarsalis (Ponomarenko, 1977). 29–30 – PIN 3063/2194, piece and counterpiece; 31–32 – PIN 3063/2192 (31 – general view of the piece, 32 – detail of genitalia of the counterpiece); 33–34 – PIN 3063/735, holotype of Mesohelophorus elongatus Ponomarenko, 1990, piece and counterpiece; 35 – PIN 3063/116; 36 – PIN 3015/367, holotype of Mesosperchus tarsalis Ponomarenko, 1977; 37 – PIN 3015/1769. Scale bars: 1 mm. Abbreviations: aed – aedeagus; mxp – maxillary palpus; sct – scutellum.

Figs. 27–28 in Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)

Figs. 27–28. Representatives of Helophorus, subgenus Mesosperchus Ponomarenko, 1977. 27 – H. (M.) inceptivus sp. nov. (PIN 4270/1008, holotype); 28 – H. (M.) yixianus sp.nov. (CNU 2010004, holotype). Scale bars: 1 mm. Abbreviations: ant – antenna.

Figs. 73–82 in Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)

Figs. 73–82. Representatives of Helophorus, subgenus Mesosperchus Ponomarenko, 1977. 73–79 – Helophorus tarsalis (Ponomarenko, 1977) (73 – PIN 3063/116, paratype; 74 – PIN 3063/2192, piece, general view; 75 – PIN 3015/1769; 76 – PIN 3063/2192, counterpiece, detail of male genitalia; 77– PIN 3063/2194. piece under alcohol; 78 – same specimen, counterpiece in dry condition; 79 – PIN 3015/367, holotype). 80 – Helophorus gracilis (Prokin, Ren & Fikáček, 2010), CNU 2010018, holotype. 81–82 – Helophorus inceptivus, PIN 4270/1008 (81 –detail of head and pronotum; 82 – general view). Scale bars: 1 mm (Figs. 73–80, 82); 0.5 mm (Fig. 81).

Fig. 26 in Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)

Fig. 26. Frequency histogram of head width of the examined specimens of Cretotaenia pallida (n = 15).

Figs. 1–4. Hydrophilopsia longitarsalis Ponomarenko, 1987 in Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)

Figs. 1–4. Hydrophilopsia longitarsalis Ponomarenko, 1987 (holotype). 1 – piece, general view; 2 – counterpiece, general view; 3 – detail of antenna; 4 – detail of the aedeagus. Scale bar: 2 mm (corresponds to Figs. 1–2). Abbreviations: acl – antennal club; aed – aedeagus; ant – antenna; cup – cupule; ins – intermediate antennomeres; ped – pedicel; sc – scapus.

Figs. 53–62 in Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)

Figs. 53–62. Representatives of Laetopsia gen. nov. 53–56 – L. baissensis (Ponomarenko, 1986) (53 – PIN 3064/7016; 54–55 – PIN 3064/6987, piece and counterpiece; 56 – detail of PIN 3064/6987). 57, 61 – L. hydraenoides (Prokin, Ren & Fikáček, 2010), CNU 2010021, holotype (57 – detail of head and pronotum; 61 – general view). 58–60 – L. mongolica (Ponomarenko, 1987) (58 – PIN 3664/1661, detail of head and pronotum; 59 – PIN 3664/1772; 60 – PIN 3664/1567, holotype). 62 – L. bontsaganica (Prokin, 2009), holotype. Scale bars: 1 mm.

Figs. 14–18. Cretotaenia pallida Ponomarenko, 1977 in Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)

Figs. 14–18. Cretotaenia pallida Ponomarenko, 1977 (details of the head). 14 –PIN 3064/6899; 15 – PIN 4210/595; 16 – PIN 3064/6898; 17 – PIN 3064/6848, detail of the head in dorsolateral position; 18 – PIN 3064/6872, detail of right mandible and nasale. Scale bars: 2 mm. Abbreviations: ant – antenna; epl – epistomal lobe; lb – labium; md – mandible; mx – maxilla; ocf – occippital foramen.

FIG. 17 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 17. — Hoploparia pusilla Secrétan, 1964 from the Lower Campanian of Belo-sur-Thsiribihina, Menabe region, central Morondava Basin: A, holotype (MNHN.F.R03904, Coupe de Berere, gisement 166), cephalothorax in left lateral view, note finely tuberculate orna- ment; B-D, paratype (MNHN.F.R03905, Coupe de Berere, gisement 166), incomplete specimen in right lateral, dorsal and left lateral views, respectively, showing articulated cephalothorax and abdomen, note left propodus of P1 with carinate outer margin; E, line drawing by F. Fogliazza, left lateral view. Abbreviations: b, antennal groove; b1, hepatic groove; c, postcervical groove; e1e, cervical groove. Scale bars: 1 cm. Photographs by C. Lemzaouda (MNHN).

FIG. 14 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 14. — Hoploparia collignoni (Van Straelen, 1949) from the Albian of the Sitampiky region, eastern Mahavavy River, southern Mahajanga Basin: A, B, abdomen (MNHN.F.R03940, Malandiandro, gisement 46), in dorsal and right lateral views, respectively, note smooth somites; C, incomplete telson (MNHN.F.A33152, detail of Fig. 13C, D), note completely smooth dorsal surface; D, fragments of uropods (MNHN.F.R03943, Malandiandro, gisement 46), lateral view, exopod with distal diaresis bearing small spines on the upper margin; E, G, abdomen (MNHN.F.R03948, syntype of Hoploparia sculpta, Befamonto, gisement 42), dorsal (E), right lateral (F) and detailed (G) views, note ornament of somites: s1 completely smooth, s2-5 with two pairs of dorsal aligned tubercles, s6 with dorsal surface uniformly tuberculate (E); pleurae 2 and 3 with two proximal tubercles; pleurae 4 and 5 with a single proximal tubercle; pleurae 6 with one median tubercle (F); telson with two median tubercles (G); H, abdomen (MNHN.F.R03950, syntype of H. sculpta, Befamonto, gisement 42), dorsal view, detail of somites. Scale bars: A, B, E, F, H, 2 cm; C, D, G, 1 cm. Photographs by C. Lemzaouda (MNHN).

FIG. 10 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 10. — Eryma granuliferum Secrétan, 1964 from the lower to middle Kimmeridgian of Antsalova, south of the Maintirano region, northern Morondava Basin: A, holotype (MNHN.F.R03975, eastern Antsalova, gisement 236), complete cephalothorax in left lateral view; B, C, incomplete specimen (MNHN.F.R03974, holotype of Eryma madagascariensis, gisement 233, Antsalova, east of Mount Ambohidroa), right lateral view (B) and detail of cephalothorax (C); D, line drawings by F. Fogliazza in left lateral view. Abbreviations: a, branchiocardiac groove; b, antennal groove; b1, hepatic groove; c, postcervical groove; e1e, cervical groove; i, inferior groove. Scale bars: 2 cm. Photographs by C. Lemzaouda (MNHN).

FIG. 9 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 9. —?Enoploclytia armata Secrétan, 1964 from the Lower Campanian of Belo-sur-Thsiribihina, Menabe region, central Morondava Basin: A-C, holotype (MNHN.F.R03913, Coupe de Ampolypoly-Antsirasira-Behamotra, gisement 287), very large, massive and compressed propodus, with inner (A) and outer (C) surfaces strongly tuberculate, dorsal margin finely tuberculate, ventral margin strongly tuberculate with two rows of more or less aligned strong tubercles (B). Scale bar: 2 cm. Photographs by C. Lemzaouda (MNHN).

FIG. 8 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 8. — Enoploclytia collignoni Secrétan, 1964 from the lower Campanian of Belo-sur-Tsiribihina,Menabe region, central Morondava Basin: A, near-complete specimen in ventral view (MNHN.F.A33132, Coupe de Bevaho, gisement 261) showing P1 with elongate chelae (note homochely), merus with strong spines on the ventral margin and a fragment of the cephalothorax; B, C, line drawings by F. Fogliazza, in dorsal and right lateral views,respectively. Abbreviations:a, branchiocardiac groove;b, antennal groove;b1, hepatic groove; c, postcervical groove; e1e, cervical groove; fa, fusiform area; i, inferior groove; rs, rostral spine.Scale bar: 2 cm. Photographs by C. Lemzaouda (MNHN).

FIG. 7 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 7. — Enoploclytia collignoni Secrétan, 1964 from the lower Campanian of Belo-sur-Tsiribihina, Menabe region, central Morondava Basin: A, B, holotype (MNHN.F.R03925, Coupe de Bevaho, gisement 256), isolated cephalothorax in dorsal and right lateral views, respectively; C, fragmentary chela of P1 (MNHN.F.R03924, Coupe de Bevaho, gisement 261), lateral view, note the straight occlusal margins of dactylus and index, with a single row of strong teeth; D, E, globose propodus (MNHN.F.R03914, Coupe de Berere III, gisement 192) covered by uniform pits and small tubercles on the outer surface (D) and by uniform pits with sparse, strong and aligned tubercles on the inner (E), note the articulation to the carpus; F, G, complete chela of P1 (MNHN.F.R03923, Coupe de Bevaho, gisement 261) with globose propodus retaining index (F, outer surface) and dactylus (G, inner surface) very narrow, elongate and curved distally. Scale bars: 2 cm. Photographs by C. Lemzaouda (MNHN).

FIG. 5 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 5. — Detail of the Central Morondava Basin with fossil-bearing outcrops. Type localities: 1, Ctenocheles madagascariensis; 2, C. madagascariensis and Caloxanthus simplex; 3, C. madagascariensis and Enoploclytia collignoni; 4, C. madagascariensis, Hoploparia pusilla, Notopocorystes australis, Schlueteria menabensis and "Xanthosia" robertsi; 5, C. madagascariensis, Linuparus bererensis and Notopocorystes denisae. Full species names are indicated in Table 1.

FIG. 2 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 2. — The Mahajanga Basin (Mahajanga Province) with fossil-bearing outcrops. Type localities: 1, Ctenocheles madagascariensis Secrétan, 1964; 2, Dromiopsis pulchella Secrétan, 1964; 3, Secretanella arcuata; 4, Hoploparia collignoni; 5, Notopocorystes bituberculatus; 6, Pustulina spinulata. Note that we do not show the type localities of H. sculpta and H. intermedia because Secrétan (1964) failed to designate holotypes for both species. Full species name are indicated in Table 1.

FIG. 3 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 3. — General map of the Morondava Basin (Tulear Province) subdivided into the three main sectors.

FIG. 25 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 25. — Reconstruction of Schlueteria menabensis Secrétan, 1964, by F. Fogliazza, right lateral view and detail of the inner surface of P1 chela.

FIG. 6 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 6. — Detail of the southern Morondava Basin with fossil-bearing outcrops. Type localities: 1,?Eryma australe; 2, Titanocarcinus mamillatus. Full species names are indicated in Table 1.

FIG. 4 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 4. — Detail of the northern Morondava Basin with fossilbearing outcrops. Type localities: 1, Eryma granuliferum and?Coleia incerta; 2, Eryma madagascariensis. Full species names are indicated in Table 1.

FIG. 16 in Revision of Mesozoic decapod crustaceans from Madagascar

FIG. 16. — Line drawings of Hoploparia collignoni (Van Straelen, 1949), by F. Fogliazza, lateral views. Note differences in ornament of abdominal somites and first propodus that may be linked either to intraspecific variation or to sexual dimorphism.