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opencc-by-4.0Aug 2009View details →

TABLE 3 in A New Species of the Rodent Genus Oecomys (Cricetidae: Sigmodontinae: Oryzomyini) from Eastern Bolivia, with Emended Definitions of O. concolor (Wagner) and O. mamorae (Thomas)

TABLE 3 Results of Three-group Discriminant Function Analysis of Adult Oecomys sp. novum, O. concolor, and O. mamorae (Based on 17 log-transformed craniodental variables; see Materials and Methods and fig. 3.)<table><thead><tr><th></th><th colspan="2">Correlations</th></tr></thead><tbody><tr><th>Variable</th><td>CV 1</td><td>CV 2</td></tr><tr><th>ONL</th><td>- 0.31</td><td>0.66***</td></tr><tr><th>ZB</th><td>0.08</td><td>0.41**</td></tr><tr><th>BBC</th><td>- 0.23</td><td>0.51***</td></tr><tr><th>DBC</th><td>0.33</td><td>0.24</td></tr><tr><th>BOC</th><td>- 0.56***</td><td>0.50***</td></tr><tr><th>IOB</th><td>0.75***</td><td>0.12</td></tr><tr><th>LR</th><td>- 0.28</td><td>0.47***</td></tr><tr><th>BR</th><td>0.19</td><td>0.61***</td></tr><tr><th>BZP</th><td>- 0.37*</td><td>0.35*</td></tr><tr><th>PPL</th><td>- 0.61***</td><td>0.26</td></tr><tr><th>BPL</th><td>0.20</td><td>0.83***</td></tr><tr><th>LD</th><td>0.03</td><td>0.41**</td></tr><tr><th>LIF</th><td>- 0.63***</td><td>0.07</td></tr><tr><th>BIF</th><td>- 0.09</td><td>- 0.45***</td></tr><tr><th>BBP</th><td>0.01</td><td>0.52***</td></tr><tr><th>CLM</th><td>- 0.47***</td><td>0.72***</td></tr><tr><th>WM1</th><td>- 0.09</td><td>0.54***</td></tr><tr><th>Canonical correlations</th><td>0.93</td><td>0.86</td></tr><tr><th>Eigenvalue</th><td>6.15</td><td>2.77</td></tr><tr><th>% Variance</th><td>68.9</td><td>31.1</td></tr></tbody></table>* = P # 0.05; ** = P # 0.01; *** = P # 0.001

opencc-by-4.0Aug 2009View details →

Natterer fand diese Art am Flusse Curicuriari im nordwestlichen Brasilien. in A New Species of the Rodent Genus Oecomys (Cricetidae: Sigmodontinae: Oryzomyini) from Eastern Bolivia, with Emended Definitions of O. concolor (Wagner) and O. mamorae (Thomas)

Natterer fand diese Art am Flusse Curicuriari im nordwestlichen Brasilien.<table><thead><tr><th></th><th>H. concolor</th><th></th><th>H. Anguya</th></tr></thead><tbody><tr><th>Körper</th><td>4 " 10 "</td><td>|</td><td>5 " 8 "</td></tr><tr><th>Schwanz</th><td>4 9</td><td>|</td><td>5 6</td></tr><tr><th>Ohren</th><td>0 6 2/2 [sic]</td><td>|</td><td>0 8</td></tr><tr><th>Hinterfuss</th><td>1 0</td><td>|</td><td>1 3</td></tr></tbody></table>H. fulvus, subtus abrupte albus, pedibus fuscentibus; cauda nuda longitudine corporis; pilis gastraei unicoloribus.Anguya sehr nahe verwandt, aber die Färbung der Oberseite ist bei ihr weit lebhafter, mit mehr Roth beigemischt, dagegen mit weniger Schwarz gesprenkelt. Die Unterseite, welche schön weiss ist, hat lauter einfarbige Haare, dagegen H. Anguya zweifarbige; ferner fehlt die graue Färbung auf den Wangen des letzteren und die Fusse sind mit bräunlichen Haaren besetzt; der nackte, nur mit kurzen Härchen beflogene Schwanz hat eine dunkle Färbung. Die Schnurren sind schwarz und die Ohren wie bei H. Anguya behaart.Natterer fand diese Art am Flusse Curicuriari im nordwestlichen Brasilien.

FIG. 8 in Systematics of Neotropical Spiny Mice, Genus Neacomys Thomas, 1900 (Rodentia: Cricetidae), from Southeastern Amazonia, with Descriptions of Three New Species

FIG. 8. Dorsal and ventral views of the skin of Neacomys vossi (UFPA 1583, holotype).

FIG. 4 in Systematics of Neotropical Spiny Mice, Genus Neacomys Thomas, 1900 (Rodentia: Cricetidae), from Southeastern Amazonia, with Descriptions of Three New Species

FIG. 4. The holotype of Neacomys marajoara, (MPEG 40432) in life. Photo by Rogério V. Rossi.

FIG. 11 in Systematics of Neotropical Spiny Mice, Genus Neacomys Thomas, 1900 (Rodentia: Cricetidae), from Southeastern Amazonia, with Descriptions of Three New Species

FIG. 11. Dorsal and ventral views of the skin of Neacomys xingu (UFMT 1268, holotype).

FIG. 10. Robert S in Systematics of Neotropical Spiny Mice, Genus Neacomys Thomas, 1900 (Rodentia: Cricetidae), from Southeastern Amazonia, with Descriptions of Three New Species

FIG. 10. Robert S. Voss in the field (Venezuela, 1979; photo by Paul Kaarakka).

opencc-by-4.0Aug 2008View details →

Fig. 2 in Systematic Review of Genus Cerradomys Weksler, Percequillo and Voss, 2006 (Rodentia: Cricetidae: Sigmodontinae: Oryzomyini), with Description of Two New Species from Eastern Brazil

Fig. 2. Detail of map showing known collection localities for five species of Cerradomys.

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Fig. 2 in A new species of Megacricetodon (Cricetidae, Rodentia, Mammalia) from the Middle Miocene of northern Junggar Basin, China

Fig. 2. Upper right incisor of Megacricetodon yei

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Supplementary material: Ultraconserved elements improve the resolution of difficult nodes within the rapid radiation of neotropical sigmodontine rodents (Cricetidae: Sigmodontinae)

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Phylogenomics of sigmodontine rodents (Cricetidae: Sigmodontinae): Cloud forests and Pliocene extinction explain the timing and spread of an iconic South American radiation

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FIGURE 3 in Morphological variation in the genus Juliomys (Rodentia: Cricetidae Sigmodontinae) and taxonomic status of Juliomys anoblepas (Winge 1887) from the Quaternary of Southeast Brazil

FIGURE 3. Characters proposed herein and identified as polymorphic in Juliomys species. 1—Short nasal in the paratype of J. rimofrons (MN46703); 2—Long nasal in the paratype of J. rimofrons (MN61646); 3—Anterior cingulum in J. pictipes (UFES2269); 4—Vestigial anterior cingulum in J. ossitenuis (UFSM599); 5—Anterior cingulum absent in J. ossitenuis (MN81912); 6—Enteroloph and enterostyle, both present in J. pictipes (MN77793); 7—Only enterostyle present in J. pictipes (UFSM517); 8—Both absent in the holotype of J. ximenezi (MCNU868). Line = triple point lacrimal-maxillary-frontal suture; arrow = extension of nasal; ac = anterior cingulum; el = enteroloph; es = enterostyle. Scale = 2 mm in images 1–2 and 1 mm in images 3–8.

FIGURE 2 in Morphological variation in the genus Juliomys (Rodentia: Cricetidae Sigmodontinae) and taxonomic status of Juliomys anoblepas (Winge 1887) from the Quaternary of Southeast Brazil

FIGURE 2. Dorsal, ventral, and lateral views of skull of J. anoblepas. 1—Photo modified from Pardiñas & Teta (2011); 2—Photo by Kasper Hansen, illustrating the current state of preservation of the specimen. The specimen is housed at Lund Collection (ZMUC), Copenhagen, Denmark, but it has no catalog number. Its recognition is unquestionable by Winge (1887)'s description and illustration. Scale = 5 mm.

FIGURE 1 in Morphological variation in the genus Juliomys (Rodentia: Cricetidae Sigmodontinae) and taxonomic status of Juliomys anoblepas (Winge 1887) from the Quaternary of Southeast Brazil

FIGURE 1. Map showing the collecting localities of specimens of J. pictipes (black circles), J. anoblepas (star), J. ossitenuis (white circles), J. rimofrons (triangles), J. ximenezi (squares). Atlantic Forest extension is marked in gray and numbers correspond to the localities listed in appendix 1.

FIGURE 5 in Morphological variation in the genus Juliomys (Rodentia: Cricetidae Sigmodontinae) and taxonomic status of Juliomys anoblepas (Winge 1887) from the Quaternary of Southeast Brazil

FIGURE 5. Characters previously proposed as diagnostic, and herein identified as polymorphic or invariable. 1—Little excavated zygomatic notch in J. pictipes (MN81096); 2—Zygomatic notch more excavated in J. pictipes (MN69764); 3—Frontal fontanelle absent in J. pictipes (UFES2421); 4—Frontal fontanelle present in J. pictipes (UFES2432); 5–8—Interorbital region is hourglass shaped in all specimens of Juliomys: note differences in the shape of supraorbital margin, which is squared in J. pictipes (Fig. 5.5, MN77793), rounded in J. ossitenuis (Fig. 5.6, MN81085), rounded in J. rimofrons (Fig. 5.7, MN46703), and slightly squared in J. ximenezi (Fig. 5.8, MCNU868); 9–10—Posterolateral pits with same size in J. ossitenuis (Fig. 5.9, MN81852), and in J. pictipes (Fig. 5.10, MZUSP32666). Horizontal arrow = frontal fontanelle; inclined arrow = supraorbital margin. Scale = 2 mm in images 1–8 and 1 mm in images 9–10.

FIGURE 4 in Morphological variation in the genus Juliomys (Rodentia: Cricetidae Sigmodontinae) and taxonomic status of Juliomys anoblepas (Winge 1887) from the Quaternary of Southeast Brazil

FIGURE 4. Frequency of states related to characters that can be applied to J. anoblepas. 1—Extension of the nasal; 2—Depth of the zygomatic notch; 3—Frontal fontanelle; 4—Extension of the incisive foramen; 5—Anterior cingulum; 6—Enteroloph and enterostyle. Numbers in bars correspond to number of specimens that have each state. Abbreviations: pic = J. pictipes, oss = J. ossitenuis, rim = J. rimofrons, and xim = J. ximenezi.

FIGURE 6 in Morphological variation in the genus Juliomys (Rodentia: Cricetidae Sigmodontinae) and taxonomic status of Juliomys anoblepas (Winge 1887) from the Quaternary of Southeast Brazil

FIGURE 6. Scatterplot results of principal component analysis of log-transformed cranial measurements. Juliomys anoblepas hypodigm is indicated by an asterisk (*). Numbers indicate holotypes: 1, J. pictipes (FMNH26814); 2, J. ossitenuis (MN69752); 3, J. rimofrons (MN61647); and 4, J. ximenezi (MCNU868).

FIGURE 19 in A review on the cytogenetics of the tribe Oryzomyini (Rodentia: Cricetidae: Sigmodontinae), with the description of new karyotypes

FIGURE 19. Distribution of diploid and fundamental number of karyotyped specimens of genus Oligoryzomys. (l) O. brendae; (▲) O. chacoensis; (□) O. flavescens; (○) O. longicaudatus; (ê) O. magellanicus; (r) O. yatesi.

FIGURE 16 in A review on the cytogenetics of the tribe Oryzomyini (Rodentia: Cricetidae: Sigmodontinae), with the description of new karyotypes

FIGURE 16. Karyotype of Oecomys sp. 3, male with 2n = 84 and FN = 110, after conventional staining (JAP 143) (inset: sex chromosomes after C-banding (JAP 143)).

FIGURE 14 in A review on the cytogenetics of the tribe Oryzomyini (Rodentia: Cricetidae: Sigmodontinae), with the description of new karyotypes

FIGURE 14. Karyotype of Oecomys sp. 1, male with 2n = 54 and FN = 84. (A) Conventional staining (ICA 238); (B) C-banding (ICA 238); (C) G-banding (ICA 238); (D) Metaphase plate after fluorescent in situ hybridization with telomeric probe (left) and DAPI staining (right) (ICA 238).

FIGURE 22 in A review on the cytogenetics of the tribe Oryzomyini (Rodentia: Cricetidae: Sigmodontinae), with the description of new karyotypes

FIGURE 22. Distribution of diploid and fundamental number of karyotyped specimens of genus Zygodontomys. (l) Z. b. brevicauda; (■) Z. b. cherriei; (○) Z. b. microtinus; (ê) Zygodontomys sp. 1; (□) Zygodontomys sp. 2.