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Fig. 2 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 2. Trail through welldrained primary forest sampled by trapping and hunting at Paracou. Most traps were set within a few meters of such narrow paths, which do not materially alter the habitats they traverse.

Fig. 5 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 5. Arboreal platform trap assembly in place at Paracou. Modified from Malcolm's (1991) basic design, each trap assembly consisted of one folding wire Tomahawk trap and a piggybacked folding aluminum Sherman trap. Both are visible in this photograph, which resembles the perspective of an observer on the ground checking the traps with binoculars. Six species of marsupials and rodents were taken with this equipment, at heights ranging from 7.2 to 16.7 m above the ground.

Fig. 17 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 17. Lateral and occlusal views of the left upper postcanine dentition of juvenile Hyladelphys kalinowskii (A, B, MUSM 11031) and Gracilinanus emiliae (C, D, USNM 385066) showing taxonomic differences in size and shape of the deciduous third premolar (dP3, arrows; see text). The fourth upper molar is unerupted in this example of H. kalinoswkii and incompletely erupted in G. emiliae.

Fig. 20 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 20. Sexually dimorphic wrist morphology of members of the Marmosops parvidens species group. Adult males (left) possess an externally obvious lateral carpal tubercle that is supported internally by an enlarged pisiform bone (arrows); females (right) do not show this character (see Lunde and Schutt, 1999, for further details). Marmosops parvidens and M. pinheiroi, both members of the Paracou fauna, have similar wrist morphologies, but males of other taxa referable to the M. parvidens species group (e.g., M. juninensis, see text) differ in the size and shape of the lateral carpal tubercle. Illustrated specimens are examples of Marmosops pinheiroi from Paracou: top and bottom left, AMNH 267346; top and bottom right, AMNH 267342.

Fig. 19 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 19. Crosssections and dorsal views of the interorbital regions of some Paracou marsupials: (A) Marmosops pinheiroi (AMNH 267341), (B) Hyladelphys kalinowskii (AMNH 267339), (C) Marmosa murina (AMNH 267368). Whereas the interorbital region of Marmosops parvidens is ''hourglassshaped'' in dorsal view and has moreorless rounded supraorbital margins, the interorbital region is ''convergent'' in Hyladelphys kalinowskii and has welldeveloped supraorbital beads. Adult specimens of Marmosa murina are characterized by large, triangular postorbital processes. All scale bars = 5 mm.

Fig. 18 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 18. Lateral and occlusal views of the left lower postcanine dentitions of juvenile Hyladelphys kalinowskii (A, B, MUSM 11031) and Gracilinanus emiliae (C, D, USNM 385066) showing taxonomic differences in the size and shape of the deciduous third premolar (dp3, arrows; see text).

Fig. 7 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 7. Dorsal and ventral views of the skull, and occlusal view of the maxillary dentition of Marmosa murina, showing the anatomical limits of marsupial measurements defined in the text.

Fig. 8 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 8. Subcanopy habitat of Caluromys philander and other arboreal mammals (e.g., Micoureus demerarae, Potos flavus, Oecomys rutilus, O. auyantepui, Rhipidomys nitela) sampled by platformtrapping and by hunting at Paracou.

Fig. 6 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 6. Detail of a pitfall trapline installed beneath a sheetplastic drift fence at Paracou. Loose soil (excavated to sink the pitfalls) is heaped along a broad bottom fold of plastic to anchor the base of the drift fence; the remaining plastic is stapled to upright stakes for support. Twelve species of small marsupials and rodents were taken by this method at Paracou, in addition to amphibians, squamate reptiles, and arthropods.

Fig. 11 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 11. Dorsal and ventral cranial views of (A, B) Gracilinanus emiliae (composite of AMNH 203363, AMNH 267006, and ROM 35466) and of (C, D) Hyladelphys kalinowskii (AMNH 267338). Differences in rostral length, interorbital morphology, size of the orbits, braincase shape, and palatal fenestration are among the taxonomic differences illustrated by these views.

Fig. 15 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 15. Mammary morphology of adult female specimens of Hyladelphys kalinowskii (A, AMNH 267339) and Marmosops parvidens (B, AMNH 267344). Only two pairs of inguinalabdominal teats are present in H. kalinowskii, whose mammary formula can be written as 2–0–2 = 4. By contrast, this specimen of M. parvidens has four pairs of inguinalabdominal teats plus an unpaired median teat (4–1–4 = 9).

Fig. 10 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 10. Known collection localities for Gracilinanus emiliae based on specimens examined. 1, BRAZIL, Para´, Belém; 2, BRAZIL, Para´, Capim; 3, COLOMBIA, Meta, Los Micos; 4, FRENCH GUIANA, Paracou; 5, GUYANA, Upper TakutuUpper Essequibo, Dadanawa; 6, SURINAM, Marowijne, Langamankondre; 7, VENEZUELA, Monagas, 47 km SE Maturín.

Fig. 12 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 12. Lateral views of crania and mandibles of (A) Gracilinanus emiliae and (B) Hyladelphys kalinowskii based on the same specimens as in figure 11. Prominent taxonomic differences illustrated in these views include orbital size, development of the postorbital process of the jugal, braincase shape, presence of accessory cusps on upper and lower canines, and relative reduction of the third premolar.

Fig. 16 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species

Fig. 16. Details of upper incisor morphology of (A) Hyladelphys kalinowskii (AMNH 267338) and (B) Marmosops pinheiroi (AMNH 267341). In all examined specimens of Hyladelphys, the crowns of I2–5 are narrow, asymmetrical, and widely spaced, with no consistent size increase from front to back. By contrast, the crowns of I2– 5 in Marmosops are broad, symmetrical, overlapping or closely approximated rhomboids of posteriorly increasing size.

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Data from: New estimates indicate that males are not larger than females in most mammal species

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Data and code for Winter conditions structure extratropical patterns of species richness of amphibians, birds, and mammals globally

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Data from: Conservation prioritisation of genomic diversity to inform management of a declining mammal species

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