Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Endothyra
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Endothyridae
Subfamily:
Endothyrinae
Formal Genus Name and Reference:
Endothyra PHILLIPS, 1846, *1452B, p. 277 (nom. conserv. ICZN (S.) 768, pending) (non Endothyra GUDE, 1899)
Type Species:
E. bowmani (=Involutina lobata Brady, 1870, *187A, p. 382), = Endothyra bradyi MIKHAYLOV, 1939, *1260, p. 51 (nom. conserv. ICZN (S.) 768, pending), OD (M) Endothyra PHILLIPS in BROWN, 1843, -245, p. 17 (nom. reject. ICZN (S.) 768, pending)]
Images
(Click to enlarge in a new window)
Fig. 262,1,2. *E. bowmani, L.Carb., Eng.; 1a,b, side and apertural views of neotype, here designated, showing "skew"-coiling, X 82; 2, equat. sec. (BRADY'S specimen BMNH-P4l674 ex P35440) showing coiling, X64 (*2ll7). --Fig. 262,3. E. plectogyra (ZELLER), U.Miss.(Meramec.), USA(Mo.); equat. sec. of holotype, X66 (*2103). --Fig. 262,4,5. E. sp., U.Miss.(Meramec.), USA(Mo.); 4, axial sec., X66 (*2103); 5, equat. sec. showing well-developed hook-shaped secondary deposit in final chamber, X66 (*2103). --Fig. 262,6,7. E. fomichaensis LEBEDEVA, L.Carb.(Visean), USSR; 6, equat. sec. of paratype, X33 (°1100); 7, axial
sec., X20 (0IS09).--FIG. 263,8. E. sp., diagram of wall structure (*398).
Synonyms
Geographic Distribution
Eu.-N.Am.-Afr.-Japan-S.Am
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Test enrolled, partially involute, plane of coiling changes during growth, turning through 30° -90°, may turn gradually as in plectogyral coiling, or abruptly nearly 90°, few chambers to whorl, whorls few; wall calcareous, with 2 layers, thin dark outer layer (tectum) and thicker, fibrous alveolar, inner layer (diaphanotheca); partial recrystallization may result in granular appearance, secondary deposits in form of nodes, ridges, or forward directed hooks secreted on chamber floors; external aperture not always evident, but interiomarginal, equatorial to asymmetrical slit may be present, relatively large intercameral foramina in same position.
References
(1452B) Phillips, John, 1846, On the remains of microscopic animals in the rocks of Yorkshire: Geol. Polytech. Soc. West Riding Yorkshire, Proc., Leeds, v. 2, p. 274-285, pl. 7.
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Endothyridae
Subfamily:
Endothyrinae
Formal Genus Name and Reference:
Endothyra PHILLIPS, 1846, *1452B, p. 277 (nom. conserv. ICZN (S.) 768, pending) (non Endothyra GUDE, 1899)
Type Species:
E. bowmani (=Involutina lobata Brady, 1870, *187A, p. 382), = Endothyra bradyi MIKHAYLOV, 1939, *1260, p. 51 (nom. conserv. ICZN (S.) 768, pending), OD (M) Endothyra PHILLIPS in BROWN, 1843, -245, p. 17 (nom. reject. ICZN (S.) 768, pending)]
Images
(Click to enlarge in a new window)
Fig. 262,1,2. *E. bowmani, L.Carb., Eng.; 1a,b, side and apertural views of neotype, here designated, showing "skew"-coiling, X 82; 2, equat. sec. (BRADY'S specimen BMNH-P4l674 ex P35440) showing coiling, X64 (*2ll7). --Fig. 262,3. E. plectogyra (ZELLER), U.Miss.(Meramec.), USA(Mo.); equat. sec. of holotype, X66 (*2103). --Fig. 262,4,5. E. sp., U.Miss.(Meramec.), USA(Mo.); 4, axial sec., X66 (*2103); 5, equat. sec. showing well-developed hook-shaped secondary deposit in final chamber, X66 (*2103). --Fig. 262,6,7. E. fomichaensis LEBEDEVA, L.Carb.(Visean), USSR; 6, equat. sec. of paratype, X33 (°1100); 7, axial
sec., X20 (0IS09).--FIG. 263,8. E. sp., diagram of wall structure (*398).
Synonyms
Geographic Distribution
Eu.-N.Am.-Afr.-Japan-S.Am
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Test enrolled, partially involute, plane of coiling changes during growth, turning through 30° -90°, may turn gradually as in plectogyral coiling, or abruptly nearly 90°, few chambers to whorl, whorls few; wall calcareous, with 2 layers, thin dark outer layer (tectum) and thicker, fibrous alveolar, inner layer (diaphanotheca); partial recrystallization may result in granular appearance, secondary deposits in form of nodes, ridges, or forward directed hooks secreted on chamber floors; external aperture not always evident, but interiomarginal, equatorial to asymmetrical slit may be present, relatively large intercameral foramina in same position.
References
(1452B) Phillips, John, 1846, On the remains of microscopic animals in the rocks of Yorkshire: Geol. Polytech. Soc. West Riding Yorkshire, Proc., Leeds, v. 2, p. 274-285, pl. 7.