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Palaecysta crispabaculata
Palaecysta crispabaculata Chen, 2013, p.290–291, pl.11, figs.124–130; pl.12, figs.135–147; text-fig.9, nos.1–2, text-fig.10, nos.27–28, text-fig.11, nos.53–55.
The validity of this species name may be in question. Chen (2013) provided no separate entry for the species but provided two separate entries for "Paleacysta crispabaculata sp. nov. subsp. crispa (Chen, 2013, p.290–291) and "Paleacysta crispabaculata subsp. delicata" (Chen, 2013, p.291). In the remarks to the former he refers to "this species" and in remarks to the latter he makes comparison with "P. crispabaculata" rather than with the autonym (i.e. the other subspecies). Here we consider the species Paleacysts crispabaculata to be validly published with the protologue circumscribing the text and illustrations for the two subspecies. On this basis, Chen's Palaecysta crispabaculata subsp. crispa must be called Palaecysta crispabaculata subsp. crispabaculata as the autonym.
Holotype: Chen, 2013, pl.11, fig.124.
Age: early Hauterivian.
Originals description (Chen, 2013):
Palaecysta crispabaculata sp. nov. crispa baculata, Latin, curly-rod, depicting the appearance of both the isolated spinous processes and the individual processes of the process clusters.
Holotype. Plate 11, Figure 124, Slide 1226-35, D64
Paratypes. Plate 11, Figure 126, Slide 1160-63, P36; Plate 11, Figure 127, Slide 1160-63, G37; Plate 11, Figure 130, Slide 1160-63, H26.
Other specimens. Plate 11, Figures 125, 128, 129; Plate 12, Figures 139, 145-147.
Occurrences in the Ankamotra-1 well. P. crispabaculata occurred abundantly in Zone 1 (Early Hauterivian).
Diagnosis:
The base of process clusters is represented by a very low arcuate ridge, from which individual processes, average about 6, emerging and terminating distally into a y-shape branching. The main characteristic of this species is the wavy-shaped processes (Figure 9, drawing 1; Figure 10, drawing 27; Figure 11, drawings 53-55).
Dimensions (based on measurements from 50 specimens):
Holotype: Whole specimen 120 µm; central body 85 µm; process length 28 µm
Range: Whole specimen 110(115)123 µm; central body 70 (85) 90 µm; Process length 25 (30) 35 µm
Remarks: This species differs from P. crispabaculata subsp. delicata in having a more robust appearance of the wavy-shaped processes and a slightly smaller cyst size.
The validity of this species name may be in question. Chen (2013) provided no separate entry for the species but provided two separate entries for "Paleacysta crispabaculata sp. nov. subsp. crispa (Chen, 2013, p.290–291) and "Paleacysta crispabaculata subsp. delicata" (Chen, 2013, p.291). In the remarks to the former he refers to "this species" and in remarks to the latter he makes comparison with "P. crispabaculata" rather than with the autonym (i.e. the other subspecies). Here we consider the species Paleacysts crispabaculata to be validly published with the protologue circumscribing the text and illustrations for the two subspecies. On this basis, Chen's Palaecysta crispabaculata subsp. crispa must be called Palaecysta crispabaculata subsp. crispabaculata as the autonym.
Holotype: Chen, 2013, pl.11, fig.124.
Age: early Hauterivian.
Originals description (Chen, 2013):
Palaecysta crispabaculata sp. nov. crispa baculata, Latin, curly-rod, depicting the appearance of both the isolated spinous processes and the individual processes of the process clusters.
Holotype. Plate 11, Figure 124, Slide 1226-35, D64
Paratypes. Plate 11, Figure 126, Slide 1160-63, P36; Plate 11, Figure 127, Slide 1160-63, G37; Plate 11, Figure 130, Slide 1160-63, H26.
Other specimens. Plate 11, Figures 125, 128, 129; Plate 12, Figures 139, 145-147.
Occurrences in the Ankamotra-1 well. P. crispabaculata occurred abundantly in Zone 1 (Early Hauterivian).
Diagnosis:
The base of process clusters is represented by a very low arcuate ridge, from which individual processes, average about 6, emerging and terminating distally into a y-shape branching. The main characteristic of this species is the wavy-shaped processes (Figure 9, drawing 1; Figure 10, drawing 27; Figure 11, drawings 53-55).
Dimensions (based on measurements from 50 specimens):
Holotype: Whole specimen 120 µm; central body 85 µm; process length 28 µm
Range: Whole specimen 110(115)123 µm; central body 70 (85) 90 µm; Process length 25 (30) 35 µm
Remarks: This species differs from P. crispabaculata subsp. delicata in having a more robust appearance of the wavy-shaped processes and a slightly smaller cyst size.