|
T.americanum
|
Smooth |
3 jaws (15-19 µm); 3 isometric teeth, 2 beyond the transverse mandibular bar and 1 anterior |
Present |
6-11 µm |
Complex, bipartite; without apophysis (23-25 µm) |
Cephalate, curved, with constriction, striated at near tip, tip a blunt point (32-39 µm) |
Conical, tip blunt (95-109 µm) |
|
T. australis
|
Slightly striated |
3 jaws (20 µm); 3 isometric teeth (13 µm), same level and beyond the transverse mandibular bar |
Present |
26-30 µm |
Curved, loops over spicules; without apophysis (24-33 µm) |
Strongly curved ventrally distally; thinner and less curved proximally; ventral pegs on mid sections (52-56 µm) |
Conical (184-209 µm) |
|
T. ayum
|
Smooth |
3 jaws; 3 small teeth, same level and beyond the transverse mandibular bar |
Present (13 µm) |
46 µm |
Without apophysis (58 µm) |
Long and thin; without alae (650 µm) |
Stout (213 µm) |
|
T. guttatum
|
Slightly striated |
1 dorsal tooth |
Absent |
- |
Paralel to the spicula |
Arcuate and or somewhat bent |
Conical-cylindrical |
|
T. iacobinum
|
Slightly striated |
Jaws weakly developed; 3 teeth, 2 beyond the transverse mandibular bar and 1 anterior |
Present (Reduced to a cuticular disc) |
30 µm |
Absent |
Long and curved (66 µm) |
About 92.8 µm |
|
T. longisetosum
|
Smooth |
3 small jaws; 3 small teeth, same level and beyond the transverse mandibular bar |
Present (6.5 µm) |
38-40 µm |
Simple; without apophysis (16-18 µm) |
Equal and identical; slightly cephalate proximal ends; bluntly rounded distal tips (47-52 µm) |
Long and narrow (200-210 µm) |
|
T. otti
|
Smooth |
3 teeth, 2 beyond the transverse mandibular bar and 1 anterior |
Present (12 µm) |
29 µm |
Complex; distal lateral structures parallel to the spicules, proximally dilated; without apophysis |
Equal; proximally cephalated; narrow area in the middle; distal part ventrally curved and dents on the ventral edge (50-54 µm) |
About 180 to 190 µm |
|
T. parisetum
|
Slightly striated |
3 jaws; 3 isometric teeth, same level and beyond the transverse mandibular bar |
Present (12 µm) |
49 µm |
2 halves, each with 2 lateral distally projections; without apophysis (14 µm) |
Paired, equal, slender and non-cephalate (35 µm) |
Anterior half conical and posterior half cylindrical (164 µm) |
|
T. ribeirensis sp. nov. |
Slightly striated |
3 jaws (20 µm); 3 isometric teeth (13 µm), same level and beyond the transverse mandibular bar |
Present (8 µm) |
38 µm |
Laminar gubernaculum (9-16 µm) with a dorsal-caudal apophysis (4-8 µm) |
Simple, ventrally curved (56 µm) |
Conical (189 µm) |
|
T. salvadoriense
|
Slightly striated |
3 jaws and 3 teeth |
Absent |
- |
Weakly developed; inconspicuous cuticular rod |
Steadily curved into na arch (39-42 µm) |
Conical (99-105 µm) |
|
T. stylum
|
Smooth |
3 jaws and 3 teeth |
Present |
30 µm |
2 simple long rod shaped pieces; without apophysis (20 µm) |
Proximal end enlarged funnel-shaped; distal end narrows; ends pointed (90 µm) |
Narrows in the anterior half and continues cylindrically (95 µm) |
|
T. subterraneum
|
Smooth |
1 dorsal tooth |
Present |
NP |
Complex, 2 small pieces involve spicules tips; with a dorsal-caudal apophysis |
Curved in the middle region and near the distal tip (47 µm) |
Conical-cylindrical (156 µm) |
Thumbnail
Thumbnail
Thumbnail
Thumbnail
