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egg capsules

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Journal Article
Published: 01 September 1976
Journal of Paleontology (1976) 50 (5): 907–915.
Journal Article
Journal: PALAIOS
Published: 01 June 2015
PALAIOS (2015) 30 (6): 482–489.
...MICHAŁ ZATOŃ; ALEKSANDR A. MIRONENKO Abstract Exceptionally preserved, phosphatized gastropod egg capsules from the uppermost Jurassic (upper Volgian) in Central Russia are reported. The egg capsules were attached to the inner side of the shell wall of empty body chambers of two ammonites. Due...
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Journal Article
Journal: Paleobiology
Published: 08 July 2014
Paleobiology (2014) 40 (4): 529–540.
... in fossils as old as Middle Cambrian and Silurian, the majority of records come from much younger, Cenozoic deposits. In this paper, we report the preservation of chitin in Early Jurassic neritimorph gastropod egg capsules deposited in bivalve shells from prodelta-deltafront and nearshore paleoenvironments...
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Journal Article
Journal: PALAIOS
Published: 01 September 2009
PALAIOS (2009) 24 (9): 568–577.
...Michał Zatoń; Grzegorz Niedźwiedzki; Grzegorz Pieńkowski Abstract Fossil gastropod egg capsules have rarely been reported from the fossil record. This paper describes gastropod egg capsules preserved exclusively on cardiniid bivalves from Lower Jurassic (Hettangian) deltaic deposits of the Holy...
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Journal Article
Published: 01 January 1969
Micropaleontology (1969) 15 (1): 102–106.
...O. S. Adegoke; T. F. J. Dessauvagie; V. L. A. Yoloye Abstract Resemblance of gastropod egg capsules to foraminifera GeoRef, Copyright 2004, American Geological Institute. 1969 ...
Journal Article
Published: 01 September 1949
Journal of Paleontology (1949) 23 (5): 515–517.
Journal Article
Published: 01 September 1948
Journal of Paleontology (1948) 22 (5): 630–631.
Journal Article
Published: 01 May 1946
Journal of Paleontology (1946) 20 (3): 261–266.
Journal Article
Published: 01 September 1950
Journal of Paleontology (1950) 24 (5): 594–600.
Image
Figure 4. ESEM photomicrographs of the <b>egg</b> <b>capsules</b>. A–C) <b>Egg</b> <b>capsules</b> pres...
Published: 01 September 2009
Figure 4. ESEM photomicrographs of the egg capsules. A–C) Egg capsules preserved on the cardiniid bivalve shown in Fig. 3B . A) More or less aggregated cluster; white arrows point to possible unhatched egg capsules; black arrow points to partially preserved, crescentic basal ring. B) Single base
Image
EDS spectra of <b>egg</b> <b>capsules</b> and associated structures.  A ) EDS of <b>egg</b> caps...
Published: 01 June 2015
Fig. 5.— EDS spectra of egg capsules and associated structures. A ) EDS of egg capsule hemisphere. B ) EDS of apatite globules. C ) EDS of dense, bifurcating filaments. D ) EDS of straight filaments encrusted by micron-sized spherules from the interior of the capsules. The white points
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Figure 7. <b>Egg</b> <b>capsules</b> of a recent  Neritina  gastropods. A) Unhatched <b>egg</b> ...
Published: 01 September 2009
Figure 7. Egg capsules of a recent Neritina gastropods. A) Unhatched egg capsules covered by a lid (right) and the egg capsule bases preserved both as complete rings and crescentic fragments deposited on the mollusk shell (from Adegoke et al., 1969 , with permission of the Micropaleontology
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Ammonites with preserved <b>egg</b> <b>capsules</b> from the latest Jurassic of Central R...
Published: 01 June 2015
Fig. 2.— Ammonites with preserved egg capsules from the latest Jurassic of Central Russia. A , B ) Capsules (indicated by arrows) preserved respectively in the phosphatic infilling and on the inner side of the shell material of Craspedites nekrassovi . C ) Interior of the C. nekrassovi body
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Latest Jurassic gastropod <b>egg</b> <b>capsules</b>.  A ) Cluster consisting of complete...
Published: 01 June 2015
Fig. 3.— Latest Jurassic gastropod egg capsules. A ) Cluster consisting of complete hemispherical egg capsules and their basal traces (arrowed) attached to the C. nekrassovi ammonite shell interior. Circular central openings are clearly visible on the tops. B ) Two egg capsules attached
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Microbial features of the <b>egg</b> <b>capsules</b>.  A ,  B ) Inner side of the thin la...
Published: 01 June 2015
Fig. 4.— Microbial features of the egg capsules. A , B ) Inner side of the thin layer covering the capsule's upper hemisphere, covered by a dense network of phosphatic, thin, rodlike and bifurcating filaments. In view A, the microbial filaments are shown in lower magnification around
Image
Recent examples of caenogastropod <b>egg</b> <b>capsules</b>.  A ) Schematic drawing of a...
Published: 01 June 2015
Fig. 6.— Recent examples of caenogastropod egg capsules. A ) Schematic drawing of a rissoid (Alvania abyssicola) egg capsule with hatchlings inside (drawing based on Graham 1988). B ) Egg capsules with embryos inside of the recent muricid neogastropod species Coronium coronatum from
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Light microscopy images of gastropod <b>egg</b> <b>capsules</b> isolated step-by-step fro...
Published: 08 July 2014
Figure 3. Light microscopy images of gastropod egg capsules isolated step-by-step from the rock fragment (A) using HF treatment at room temperature. The egg capsule (B, arrow) became visible during dissolution of the mineral component. Finally (C), it was possible to isolate this structure
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Table 1. Examples of fossil invertebrate <b>eggs</b>, <b>egg</b> <b>capsules</b>, and embryos; *...
Published: 01 September 2009
Table 1. Examples of fossil invertebrate eggs, egg capsules, and embryos; *  =  eggs reported in situ associated with their putative producers.
Image
Figure 3. Early Jurassic (Hettangian) cardiniid bivalves with <b>egg</b> <b>capsules</b>....
Published: 01 September 2009
Figure 3. Early Jurassic (Hettangian) cardiniid bivalves with egg capsules. A–D, F–H. Cardiniids from Podole; arrows in G and H indicate the position of the egg capsules. E) Cardiniid bivalve from Gromadzice. Scale bars equal 1 cm.
Journal Article
Journal: Paleobiology
Published: 01 January 2001
Paleobiology (2001) 27 (3): 485–499.
...Régis Chirat Abstract No egg of any fossil nautiloid has yet been discovered. However, anomalies of embryonic shell growth, described for the first time in several Mesozoic Nautilida, provide important clues on morphology, structure, and size of their egg capsules; on the physical characteristics...
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