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Papers by Daniel Previattelli

Research paper thumbnail of Predação de microinvertebrados por Utricularia foiosa L. (Tubiflorae: Lentibulariaceae) em um lago da Amazônia Central

Research paper thumbnail of Migração vertical nictemeral do zooplâncton em um lago de água preta da Amazônia Central

Research paper thumbnail of Diel vertical migration of Aspinus acicularis Brandorff, 1973 (Copepoda

Research paper thumbnail of Figure 16. Argyrodiaptomus Paggii N In A New Argyrodiaptomus (Copepoda: Calanoida: Diaptomidae) From The Southwestern Brazilian Amazon

FIGURE 16. Argyrodiaptomus paggii n. sp., Ψ adult: A – habitus, dorsal view. B – habitus, lateral... more FIGURE 16. Argyrodiaptomus paggii n. sp., Ψ adult: A – habitus, dorsal view. B – habitus, lateral view.

Research paper thumbnail of Figure 13. Argyrodiaptomus Paggii N In A New Argyrodiaptomus (Copepoda: Calanoida: Diaptomidae) From The Southwestern Brazilian Amazon

FIGURE 13. Argyrodiaptomus paggii n. sp., ♂ adult: A – P 5 right, posterior view. B – P 5 right, ... more FIGURE 13. Argyrodiaptomus paggii n. sp., ♂ adult: A – P 5 right, posterior view. B – P 5 right, lateral / inner view. C – P 5 right, basis, lateral / inner view (SEM). D – detail of the spinules of basis of right P 5 (SEM). E – P 5 right Enp, lateral / inner view (at right) and outer (at left).

Research paper thumbnail of Figure 19 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 19. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. female. (A) Ha... more Figure 19. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. female. (A) Habitus (500 µm); (B) detail of last segment of cephalothorax, genital double-somite and urosome (200 µm); (C) last segment of prosome and genital double-somite (200 µm); (D) leg 5 (100 µm); (E) genital double-somite (100 µm); (F) genital opening (50 µm); (G) detail of terminal claw of leg 5 (20 µm).

Research paper thumbnail of Figure 17 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 17. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A) Rost... more Figure 17. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A) Rostrum (20 µm); (B) left antenna (100 µm); (C) detail of the segment 1 and 2 of endopod of antenna (20 µm); (D) maxilliped (100 µm); (E) detail of distal syncoxal endite of maxilliped (20 µm).

Research paper thumbnail of Figure 4 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 4. "Diaptomus" curvatus sp. nov. male. (A) Left antennule; (B) right geniculate ... more Figure 4. "Diaptomus" curvatus sp. nov. male. (A) Left antennule; (B) right geniculate antennule, drawn disarticulated between segments 17 and 18.

Research paper thumbnail of Contributors to Volume V

Research paper thumbnail of Figure 5 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 5. Scanning electron micrograph of "Diaptomus" curvatus sp. nov. male. (A) Right... more Figure 5. Scanning electron micrograph of "Diaptomus" curvatus sp. nov. male. (A) Right geniculate antennule (300 µm); (B) maxilliped; (C) segments 10–14 of right antennule (50 µm); (D) segment 20 of right antennule (50 µm).

Research paper thumbnail of Establishment of a new genus for Parastenocaris itica (Copepoda, Harpacticoida) from El Salvador, Central America, with discussion of the Parastenocaris fontinalis and P. proserpina groups Proposta de um novo gênero para Parastenocaris itica (Copepoda, Harpacticoida) de El Salvador, América Centr...

Iheringia: Série Zoologia, 2012

A new genus of Parastenocarididae is described from the Neotropical region. Iticocaris gen. nov. ... more A new genus of Parastenocarididae is described from the Neotropical region. Iticocaris gen. nov. is established to include Parastenocaris itica Noodt, 1962. Iticocaris gen. nov. is defined by the following characters: 1) male leg 3 with 2-segmented exopod; 2) first exopodal segment short and rectangular; 3) thumb hypertrophic, longer than the second exopodal segment and inserted on the distal edge of exopod segment 1, occupying the whole distal margin; 4) exopod 2 or apophysis strongly sclerotized, articulated with the exopod segment 1 on its inner margin and curved against the thumb, forming a strong forceps; 5) leg 4 endopod without dimorphism in shape and size vs. minor dimorphism in ornamentation; 6) leg 5 with three setae and 7) lack of the anterolateral furcal seta II. The new genus is monotypic, represented by Iticocaris itica (Noodt, 1962) comb. nov., from El Salvador, Central America. A close relationship is hypothesized between I. itica and the genus Brasilibathynellocaris...

Research paper thumbnail of Figure 15 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 15. "Diaptomus" frutosae sp. nov., swimming legs of male. (A) Anterior view of l... more Figure 15. "Diaptomus" frutosae sp. nov., swimming legs of male. (A) Anterior view of last endopod segment of leg 2; (B) posterior view of last endopod segment of leg 2; (C) detail of Schmeil's organ on second endopod segment of leg 2; (D) leg 1; (E) leg 2; (F) leg 3; (G) anterior view of last endopod segment of leg 3; (H) posterior view of last endopod segment of leg 3; (I) leg 4; (J) anterior view of last endopod segment of leg 4; (K) posterior view of last endopod segment of leg 4.

Research paper thumbnail of Figure 12 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 12. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A, B, F... more Figure 12. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A, B, F, G) Segment 20 of right antennule (A, B, F: 20 µm, G: 100 µm); (C) right antennule (400 µm); (D) segments 9–13 of right antennule (50 µm); (E) segments 13 and 14 of right antennule (50 µm); (H) segments 12–14 of right antennule (50 µm); (I) base of modified setae in segment 13 of right antennule (20 µm).

Research paper thumbnail of Figure 20 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 20. Geographical distribution of the two new species. The codes for the sampling sites pro... more Figure 20. Geographical distribution of the two new species. The codes for the sampling sites provide a link to the limnological parameters given in Table 3.

Research paper thumbnail of Figure 14 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 14. "Diaptomus" frutosae sp. nov. mouthparts. (A) Maxillule; (B) maxilliped; (C)... more Figure 14. "Diaptomus" frutosae sp. nov. mouthparts. (A) Maxillule; (B) maxilliped; (C) mandible; (D) maxilla.

Research paper thumbnail of Figure 18 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 18. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A) Righ... more Figure 18. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A) Right leg 5 (300 µm); (B) right leg 5 (200 µm); (C) distal part of right leg 5 (200 µm); (D) left and right leg 5 (200 µm); (E) coxa, basis and segment 1 of exopod of right leg 5 (100 µm); (F, G) basis, endopod and exopod of left leg 5 (50 µm).

Research paper thumbnail of Figure 11 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 11. "Diaptomus" frutosae sp. nov. male. (A) Left antennule; (B) right geniculate... more Figure 11. "Diaptomus" frutosae sp. nov. male. (A) Left antennule; (B) right geniculate antennule.

Research paper thumbnail of Figure 10 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 10. Dorsal habitus of "Diaptomus" frutosae sp. nov. (A) Male; (B) female.

Research paper thumbnail of Figure 16 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 16. "Diaptomus" frutosae sp. nov. leg 5 of male. (A–E) Several views of leg 5.

Research paper thumbnail of Figure 9 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 9. Scanning electron micrograph of "Diaptomus" curvatus sp. nov. male. (A) Leg 1... more Figure 9. Scanning electron micrograph of "Diaptomus" curvatus sp. nov. male. (A) Leg 1 (100 µm); (B) leg 5 (100 µm); (C) leg 5 (200 µm); (D) left leg 5 (50 µm); (E) detail of endopod of right leg 5 (50 µm).

Research paper thumbnail of Predação de microinvertebrados por Utricularia foiosa L. (Tubiflorae: Lentibulariaceae) em um lago da Amazônia Central

Research paper thumbnail of Migração vertical nictemeral do zooplâncton em um lago de água preta da Amazônia Central

Research paper thumbnail of Diel vertical migration of Aspinus acicularis Brandorff, 1973 (Copepoda

Research paper thumbnail of Figure 16. Argyrodiaptomus Paggii N In A New Argyrodiaptomus (Copepoda: Calanoida: Diaptomidae) From The Southwestern Brazilian Amazon

FIGURE 16. Argyrodiaptomus paggii n. sp., Ψ adult: A – habitus, dorsal view. B – habitus, lateral... more FIGURE 16. Argyrodiaptomus paggii n. sp., Ψ adult: A – habitus, dorsal view. B – habitus, lateral view.

Research paper thumbnail of Figure 13. Argyrodiaptomus Paggii N In A New Argyrodiaptomus (Copepoda: Calanoida: Diaptomidae) From The Southwestern Brazilian Amazon

FIGURE 13. Argyrodiaptomus paggii n. sp., ♂ adult: A – P 5 right, posterior view. B – P 5 right, ... more FIGURE 13. Argyrodiaptomus paggii n. sp., ♂ adult: A – P 5 right, posterior view. B – P 5 right, lateral / inner view. C – P 5 right, basis, lateral / inner view (SEM). D – detail of the spinules of basis of right P 5 (SEM). E – P 5 right Enp, lateral / inner view (at right) and outer (at left).

Research paper thumbnail of Figure 19 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 19. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. female. (A) Ha... more Figure 19. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. female. (A) Habitus (500 µm); (B) detail of last segment of cephalothorax, genital double-somite and urosome (200 µm); (C) last segment of prosome and genital double-somite (200 µm); (D) leg 5 (100 µm); (E) genital double-somite (100 µm); (F) genital opening (50 µm); (G) detail of terminal claw of leg 5 (20 µm).

Research paper thumbnail of Figure 17 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 17. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A) Rost... more Figure 17. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A) Rostrum (20 µm); (B) left antenna (100 µm); (C) detail of the segment 1 and 2 of endopod of antenna (20 µm); (D) maxilliped (100 µm); (E) detail of distal syncoxal endite of maxilliped (20 µm).

Research paper thumbnail of Figure 4 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 4. "Diaptomus" curvatus sp. nov. male. (A) Left antennule; (B) right geniculate ... more Figure 4. "Diaptomus" curvatus sp. nov. male. (A) Left antennule; (B) right geniculate antennule, drawn disarticulated between segments 17 and 18.

Research paper thumbnail of Contributors to Volume V

Research paper thumbnail of Figure 5 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 5. Scanning electron micrograph of "Diaptomus" curvatus sp. nov. male. (A) Right... more Figure 5. Scanning electron micrograph of "Diaptomus" curvatus sp. nov. male. (A) Right geniculate antennule (300 µm); (B) maxilliped; (C) segments 10–14 of right antennule (50 µm); (D) segment 20 of right antennule (50 µm).

Research paper thumbnail of Establishment of a new genus for Parastenocaris itica (Copepoda, Harpacticoida) from El Salvador, Central America, with discussion of the Parastenocaris fontinalis and P. proserpina groups Proposta de um novo gênero para Parastenocaris itica (Copepoda, Harpacticoida) de El Salvador, América Centr...

Iheringia: Série Zoologia, 2012

A new genus of Parastenocarididae is described from the Neotropical region. Iticocaris gen. nov. ... more A new genus of Parastenocarididae is described from the Neotropical region. Iticocaris gen. nov. is established to include Parastenocaris itica Noodt, 1962. Iticocaris gen. nov. is defined by the following characters: 1) male leg 3 with 2-segmented exopod; 2) first exopodal segment short and rectangular; 3) thumb hypertrophic, longer than the second exopodal segment and inserted on the distal edge of exopod segment 1, occupying the whole distal margin; 4) exopod 2 or apophysis strongly sclerotized, articulated with the exopod segment 1 on its inner margin and curved against the thumb, forming a strong forceps; 5) leg 4 endopod without dimorphism in shape and size vs. minor dimorphism in ornamentation; 6) leg 5 with three setae and 7) lack of the anterolateral furcal seta II. The new genus is monotypic, represented by Iticocaris itica (Noodt, 1962) comb. nov., from El Salvador, Central America. A close relationship is hypothesized between I. itica and the genus Brasilibathynellocaris...

Research paper thumbnail of Figure 15 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 15. "Diaptomus" frutosae sp. nov., swimming legs of male. (A) Anterior view of l... more Figure 15. "Diaptomus" frutosae sp. nov., swimming legs of male. (A) Anterior view of last endopod segment of leg 2; (B) posterior view of last endopod segment of leg 2; (C) detail of Schmeil's organ on second endopod segment of leg 2; (D) leg 1; (E) leg 2; (F) leg 3; (G) anterior view of last endopod segment of leg 3; (H) posterior view of last endopod segment of leg 3; (I) leg 4; (J) anterior view of last endopod segment of leg 4; (K) posterior view of last endopod segment of leg 4.

Research paper thumbnail of Figure 12 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 12. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A, B, F... more Figure 12. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A, B, F, G) Segment 20 of right antennule (A, B, F: 20 µm, G: 100 µm); (C) right antennule (400 µm); (D) segments 9–13 of right antennule (50 µm); (E) segments 13 and 14 of right antennule (50 µm); (H) segments 12–14 of right antennule (50 µm); (I) base of modified setae in segment 13 of right antennule (20 µm).

Research paper thumbnail of Figure 20 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 20. Geographical distribution of the two new species. The codes for the sampling sites pro... more Figure 20. Geographical distribution of the two new species. The codes for the sampling sites provide a link to the limnological parameters given in Table 3.

Research paper thumbnail of Figure 14 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 14. "Diaptomus" frutosae sp. nov. mouthparts. (A) Maxillule; (B) maxilliped; (C)... more Figure 14. "Diaptomus" frutosae sp. nov. mouthparts. (A) Maxillule; (B) maxilliped; (C) mandible; (D) maxilla.

Research paper thumbnail of Figure 18 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 18. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A) Righ... more Figure 18. Scanning electron micrograph of "Diaptomus" frutosae sp. nov. male. (A) Right leg 5 (300 µm); (B) right leg 5 (200 µm); (C) distal part of right leg 5 (200 µm); (D) left and right leg 5 (200 µm); (E) coxa, basis and segment 1 of exopod of right leg 5 (100 µm); (F, G) basis, endopod and exopod of left leg 5 (50 µm).

Research paper thumbnail of Figure 11 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 11. "Diaptomus" frutosae sp. nov. male. (A) Left antennule; (B) right geniculate... more Figure 11. "Diaptomus" frutosae sp. nov. male. (A) Left antennule; (B) right geniculate antennule.

Research paper thumbnail of Figure 10 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 10. Dorsal habitus of "Diaptomus" frutosae sp. nov. (A) Male; (B) female.

Research paper thumbnail of Figure 16 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 16. "Diaptomus" frutosae sp. nov. leg 5 of male. (A–E) Several views of leg 5.

Research paper thumbnail of Figure 9 in Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River)

Figure 9. Scanning electron micrograph of "Diaptomus" curvatus sp. nov. male. (A) Leg 1... more Figure 9. Scanning electron micrograph of "Diaptomus" curvatus sp. nov. male. (A) Leg 1 (100 µm); (B) leg 5 (100 µm); (C) leg 5 (200 µm); (D) left leg 5 (50 µm); (E) detail of endopod of right leg 5 (50 µm).