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FIG. 7 in A New Species of Fritziana Mello-Leitão 1937 (Amphibia: Anura: Hemiphractidae) from the Atlantic Forest, Brazil

FIG. 7.—Geographical distribution of Fritziana mitus sp. nov. The star and circles show the distribution of analyzed specimens (star = type locality in municipality of Santo Amaro da Imperatriz, in the state of Santa Catarina, Brazil [shaded area of inset]). The other markers show the type localities of F. fissilis and F. ulei (pentagon), Nova Friburgo; F. goeldii and F. izecksohni (triangle), Teresópolis; F. ohausi (square), Petrópolis, all in the state of Rio de Janeiro, and F. tonimi (hexagon), Santa Tereza, in the state of Espírito Santo. Green shading represents the remnants of the Atlantic Forest, Brazil. A color version of this figure is available online.

FIG. 5 in A New Species of Fritziana Mello-Leitão 1937 (Amphibia: Anura: Hemiphractidae) from the Atlantic Forest, Brazil

FIG. 5.—Oral disc of the tadpole of Fritziana mitus sp. nov., Stage 35 of Gosner (1960), from Bertioga, state of São Paulo, Brazil (lot CFBH 34437). (A)

FIG. 4 in A New Species of Fritziana Mello-Leitão 1937 (Amphibia: Anura: Hemiphractidae) from the Atlantic Forest, Brazil

FIG. 4.—Tadpole of Fritziana mitus sp. nov., Stage 35 of Gosner (1960), from Bertioga, state of São Paulo, Brazil (lot CFBH 34437). (A) Lateral, (B) ventral, and (C) dorsal views (scale = 1 mm). A color version of this figure is available online.

FIG. 3 in A New Species of Fritziana Mello-Leitão 1937 (Amphibia: Anura: Hemiphractidae) from the Atlantic Forest, Brazil

FIG. 3.—Dorsal patterns of Fritziana mitus sp. nov. The most common pattern (A) CFBH 25723 and some variations, with an interorbital bar, are in (B) CFBH 12194 and (C) MZUSP 139225. Other possible patterns, without an interorbital bar, are in (D) CFBH 10008, (E) CFBH 19955, and (F) CFBH 24277. Arrows indicate skin crests that delimit the dorsal pouch of females without eggs on the dorsum. A color version of this figure is available online.

FIG. 1 in A New Species of Fritziana Mello-Leitão 1937 (Amphibia: Anura: Hemiphractidae) from the Atlantic Forest, Brazil

FIG. 1.—Adult females of Fritziana mitus sp. nov. (A) without eggs on dorsum (holotype CFBH 39949) and (B) with eggs on dorsum (paratopotype MNRJ

FIG. 1 in A New Species of Fritziana Mello-Leitão 1937 (Amphibia: Anura: Hemiphractidae) from the Atlantic Forest, Brazil

FIG. 1.—Adult females of Fritziana mitus sp. nov. (A) without eggs on dorsum (holotype CFBH 39949) and (B) with eggs on dorsum (paratopotype MNRJ 90351). Both from the Parque Estadual da Serra do Tabuleiro, municipality of Santo Amaro da Imperatriz, state of Santa Catarina, Brazil.

FIG. 2 in A New Species of Fritziana Mello-Leitão 1937 (Amphibia: Anura: Hemiphractidae) from the Atlantic Forest, Brazil

FIG. 2.—Fritziana mitus sp. nov., holotype (CFBH 39949) from the Parque Estadual da Serra do Tabuleiro, municipality of Santo Amaro da Imperatriz, state of Santa Catarina, Brazil. (A) Dorsal and (B) lateral views of the head; (C) palmar view of the left hand; and (D) plantar view of the left foot.

Fig. 13 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 13. Parsimonious optimization onto Echevarría et al. (2021) phylogenetic hypothesis (A) lenght of squamosal zygomatic ramus (B) extension of otic ramus of squamosal. See Supplemental Material for the complete matrix, including outgroups. Gray represents unknown condition.

Fig. 2 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 2. Skull (ventral view) of Fritziana and Flectonotus species (A) Fr. goeldii (B) Fr. ohausi (C) Fr. fissilis (D) Fr. tonimi (E) Fr. izecksohni (F) Fr. ulei (G) Fl. pygmaeus; and (H) Fl. fitzgeraldi. Roman typeface is used to label the bones, whereas italics are used to designate a part of a bone (e.g., ramus, process). Scale bar = 1 mm.

Fig. 5 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 5. Vertebral column (dorsal view) of Fritziana and Flectonotus species represented by (A) Fr. tonimi; and (B) Fl. fitzgeraldi. Roman typeface is used to label the bones, whereas italics are used to designate a part of a bone. Scale bar = 1 mm.

Fig. 6 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 6. Pectoral girdle (ventral view) of Fritziana and Flectonotus species represented by Fr. tonimi and Fr. goeldii. Scale bar = 1 mm.

Fig. 9 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 9. Parsimonious optimization onto Echevarría et al. (2021) phylogenetic hypothesis (A) anterolateral extent of anterior process of vomer (B) lenght of postchoanal process of vomer. See Supplemental Material for the complete matrix, including outgroups. Gray represents unknown condition.

Fig. 4 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 4. Mandible and Hyolaryngeal apparatus (dorsal view) of Fritziana and Flectonotus species represented by (A) Fr. goeldii; and (B) Fl. fitzgeraldi. Roman typeface is used to label the bones, whereas italics are used to designate a part of a bone. Scale bar = 1 mm.

Fig. 3 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 3. Skull (lateral view) of Fritziana and Flectonotus species (A) Fr. goeldii (B) Fr. ohausi (C) Fr. fissilis (D) Fr. tonimi (E) Fr. izecksohni (F) Fr. ulei (G) Fl. pygmaeus; and (H) Fl. fitzgeraldi. Roman typeface is used to label the bones, whereas italics are used to designate a part of a bone (e.g., ramus, process). Scale bar = 1 mm.

Fig. 15 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 15. Parsimonious optimization onto Echevarría et al. (2021) phylogenetic hypothesis (A) ossification extension of sternum (B) relative length of Fingers II See Supplemental Material for the complete matrix, including outgroups. Gray represents unknown condition.

Fig. 14 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 14. Parsimonious optimization onto Echevarría et al. (2021) phylogenetic hypothesis (A) clavicules orientation (B) shape of omostermum. See Supplemental Material for the complete matrix, including outgroups. Gray represents unknown condition.

Fig. 8 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 8. Parsimonious optimization onto Echevarría et al. (2021) phylogenetic hypothesis: extension of anterior terminus of cultriform process of parasphenoid. See Supplemental Material for the complete matrix, including outgroups. Gray represents unknown condition.

Fig. 7 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 7. Manus and pes (dorsal view) of Fritziana and Flectonotus species represented by (A) Fr. ohausi manus (B) Fl. fitzgeraldi manus (C) Fr. ohausi pes; and (D) Fl. fitzgeraldi pes. Roman typeface is used to label the bones, whereas italics are used to designate a part of a bone. Scale bar = 1 mm. E. = element.

Fig. 11 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 11. Parsimonious optimization onto Echevarría et al. (2021) phylogenetic hypothesis (A) preorbital process of maxilla (B) extension of anterior terminus of quadratojugal. See Supplemental Material for the complete matrix, including outgroups. Gray represents unknown condition.

Fig. 12 in The egg-brooding frogs Fritziana Mello-Leit˜ao, 1937 and Flectonotus Miranda-Ribeiro, 1926 (Amphibia: Anura): osteology and putative synapomorphies for hemiphractid frogs

Fig. 12. Parsimonious optimization onto Echevarría et al. (2021) phylogenetic hypothesis (A) nasal size (B) exposition of frontoparietal fenestra. See Supplemental Material for the complete matrix, including outgroups. Gray represents unknown condition.