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Thalassiphora reticulata
From Fensome et al., 2019:
Thalassiphora reticulata Morgenroth, 1966b, p.6–7, pl.2, figs.1–2.
Holotype: Morgenroth, 1966b, pl.2, figs.1–2; Sarjeant et al., 1987, pl.1, fig.4.
Originally (and now) Thalassiphora, subsequently Disphaeria.
Lentin and Williams (1977b, p.54) retained this species in Thalassiphora.
Age: Early Oligocene.
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Original Description Thalassiphora reticulata Morgenroth 1966
Plate 2, Fig. 1, 2
Derivatio nominis: reticulum Latin = the net.
Holotype: The one in Slide. H15 preserved and on Plate 2, Fig. 1, 2 specimen shown. Paratypoids: H3, H4, H14.
Locus typicus: Leopold'sche Ziegelei (south of Helmstedt).
Stratum typicum: Lower oligocene
Diagnosis: A species of the genus Thalassiphora with a dorsally almost closed, net-like perforated outer shell.
Description: The clearly ellipsoidal inner body has a horseshoe-shaped pylom located dorsally below one pole. The outer shell consists of a relatively large-mesh mesh. It is attached ventrally to the inner body and relatively encloses it except for one small roundish opening located above the pyloma. This opening can also be found in specimens with a closed inner capsule. The outside sheath is also attached dorsally below the pylom. Like Thalassiphora pelagica, it has 1–2 tip-like protuberances in the long axis.
Dimensions:
Body Length 77µ (67µ–84µ)
Body width 64µ (47µ–73µ)
Cyst length 190µ (176µ–200µ)
Cyst width 157µ (148µ–168µ)
Archeopyle circumference: 29x33 µ
(45 measurements)
Number of specimens measured: 47.
Comparison: Thalassiphora reticulata n. sp. is different from every previously described species of this genus are characterized by the reticulated, very wide comprehensive exterior.
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Heilmann-Clausen in Heilmann-Clausen and Costa, 1989, p. 471, pl.19, f1gs.8,9: Thalassiphora cf. reticulata
Only three specimens of this form were recovered, and a closer comparison with T. reticulata is therefore not carried out.
The samples yielding T. cf. reticulata are from notably older beds (Lutetian) than previous records of T. reticulata.
Thalassiphora reticulata Morgenroth, 1966b, p.6–7, pl.2, figs.1–2.
Holotype: Morgenroth, 1966b, pl.2, figs.1–2; Sarjeant et al., 1987, pl.1, fig.4.
Originally (and now) Thalassiphora, subsequently Disphaeria.
Lentin and Williams (1977b, p.54) retained this species in Thalassiphora.
Age: Early Oligocene.
---------------------------------------------------------------------------------------------------
Original Description Thalassiphora reticulata Morgenroth 1966
Plate 2, Fig. 1, 2
Derivatio nominis: reticulum Latin = the net.
Holotype: The one in Slide. H15 preserved and on Plate 2, Fig. 1, 2 specimen shown. Paratypoids: H3, H4, H14.
Locus typicus: Leopold'sche Ziegelei (south of Helmstedt).
Stratum typicum: Lower oligocene
Diagnosis: A species of the genus Thalassiphora with a dorsally almost closed, net-like perforated outer shell.
Description: The clearly ellipsoidal inner body has a horseshoe-shaped pylom located dorsally below one pole. The outer shell consists of a relatively large-mesh mesh. It is attached ventrally to the inner body and relatively encloses it except for one small roundish opening located above the pyloma. This opening can also be found in specimens with a closed inner capsule. The outside sheath is also attached dorsally below the pylom. Like Thalassiphora pelagica, it has 1–2 tip-like protuberances in the long axis.
Dimensions:
Body Length 77µ (67µ–84µ)
Body width 64µ (47µ–73µ)
Cyst length 190µ (176µ–200µ)
Cyst width 157µ (148µ–168µ)
Archeopyle circumference: 29x33 µ
(45 measurements)
Number of specimens measured: 47.
Comparison: Thalassiphora reticulata n. sp. is different from every previously described species of this genus are characterized by the reticulated, very wide comprehensive exterior.
-------------------------------------------------------------------------------------------------------------
Heilmann-Clausen in Heilmann-Clausen and Costa, 1989, p. 471, pl.19, f1gs.8,9: Thalassiphora cf. reticulata
Only three specimens of this form were recovered, and a closer comparison with T. reticulata is therefore not carried out.
The samples yielding T. cf. reticulata are from notably older beds (Lutetian) than previous records of T. reticulata.