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572 results for “Late Eocene”
Fig. 4 in The first green lacewings from the late Eocene Baltic amber
Fig. 4. Green lacewing Pseudosencera baltica gen. et sp. nov. from the late Eocene Baltic amber. Wing venation of the holotype SMF-Be-2518, right (A) and left (B) forewing, left hind wing (C). B, C converted to right dorsal view. Abbreviations: 1aa1-aa2, first crossvein between AA1 and AA2; 1aa2-aa3, first crossvein between AA2 and AA3; 1icu, first (basal) crossvein between CuA and CuP; 2icu, second crossvein between CuA and CuP; 1cu-aa, fist crossvein between CuP and AA1; 1im, first crossvein between MA and MP; 1m-cu, first (basal) crossvein between M and Cu; AA1–3, first to third anterior analis; CuA, anterior cubitus; CuA1, first (proximal-most) branch of CuA; CuP, posterior cubitus; M, media; MA and MP, anterior and posterior branches of the media; Psc, pseudocubitus; Psm, pseudomedia; RA, anterior radius; RP, posterior radius; RP1–5, first (proximal-most) to fifth branches of RP; ScP, posterior subcosta.
Fig. 2 in The first green lacewings from the late Eocene Baltic amber
Fig. 2. Green lacewing Pseudosencera baltica gen. et sp. nov. from the late Eocene Baltic amber. Holotype (SMF-Be-2518) in dorsal (A) and lateral (B) views.
Fig. 1 in The first green lacewings from the late Eocene Baltic amber
Fig. 1. The intramedian cell, pseudomedia and pseudocubitus in the forewing of green lacewing Pseudosencera baltica gen. et sp. nov. from the late Eocene Baltic amber. Psm and Psc are outlined black in this figure. Abbreviations: 1im, first crossvein between MA and MP; 1m-cu, first (basal) crossvein between M and Cu; CuA, anterior cubitus; CuP, posterior cubitus; M, media; MA and MP, anterior and posterior branches of the media; Psc, pseudocubitus; Psm, pseudomedia; RP, posterior radius; RP1, proximal-most branch of RP; ScP, posterior subcosta.
Fig. 5 in Catshark egg capsules from a Late Eocene deep-water methane-seep deposit in western Washington State, USA
Fig. 5. Thin section micrograph of the capsules wall showing three of the craters produced during laser ablation (arrows).
Fig. 3 in Catshark egg capsules from a Late Eocene deep-water methane-seep deposit in western Washington State, USA
Fig. 3. Thin section micrographs of the capsule wall of the Late Eocene Bear River egg capsule Scyliorhinotheca goederti goederti gen. et sp. nov. A, B. Two sections of a capsule wall with several ribs, dark, micritic seep carbonate on the outside, and several diagenetic carbonate phases in the interior; plane−polarized light. C, D. Close−up on the middle rib in A, rotated ca. 90° clockwise. Note that the capsule wall consists of microsparite, enclosing globular calcite crystals; plane−polarized light (C) and UV light (D). E. Detail of the capsule wall; laser scanning microscope image generated by linear unmixing using the spectra of the globules versus that of the wall matrix. F. Detail of capsule wall, showing extinction of some of the globules; crossed−polarized light.
Fig. 2 in Catshark egg capsules from a Late Eocene deep-water methane-seep deposit in western Washington State, USA
Fig. 2. Silicon rubber casts of external molds of the Late Eocene Bear River egg capsule Scyliorhinotheca goederti gen. et sp. nov. A. USNM 544327 (the same specimen as in Fig. 1). B. USNM 544328.
Fig. 1 in Catshark egg capsules from a Late Eocene deep-water methane-seep deposit in western Washington State, USA
Fig. 1. The Late Eocene Bear River egg capsule Scyliorhinotheca goederti gen. et sp. nov. in different states of preservation. A. Steinkern showing the anterior and posterior ends (USNM 544321). B. Posterior half of a steinkern, showing the tapering end with a horn (USNM 544322). C. Deformed steinkern with spindle−like shape (USNM 544323). D. Steinkern with faint wrinkles on the surface, perhaps due to shrinkage (USNM 544324). E. Two specimens: the lower, main specimen shows the anterior constriction and the flattened anterior end (left) and remnants of the ribbed capsule wall (right); the upper specimen (arrow) is just a cast of a ribbed capsule surface; note relics of worm tubes on the right side of the block (USNM 544325) (image from Treude et al. 2011). F. Steinkern showing indentation on lower left (USNM 544326). G. Cast (external mold) showing ribbing on capsule surface (USNM 544327).
Fig. 5 in A new enigmatic ant genus from late Eocene Danish Amber and its evolutionary and zoogeographic significance
Fig. 5. Map of distribution of fossil species Usomyrma gen. nov. (triangle), Leptomyrmula Emery, 1913 (circle), "Leptomyrmex" male (square) and of extant species Leptomyrmex Mayr, 1862 (dots).
Fig. 3 in A new enigmatic ant genus from late Eocene Danish Amber and its evolutionary and zoogeographic significance
Fig. 3. Dolichoderine ant Usomyrma mirabilis gen. et sp. nov., the paratype male, ZMUC, Bórge Mortensen coll., 1.11.1964, no. 398, from the Danish Amber, late Eocene; explanatory drawings based on the original photographs, fore wing (A), mesosoma and petiole in dorsal view (B), hind tibia C), genitalia in lateral view (D).
Fig. 2 in A new enigmatic ant genus from late Eocene Danish Amber and its evolutionary and zoogeographic significance
Fig. 2. Dolichoderine ant Usomyrma mirabilis gen. et sp. nov., the paratype male, ZMUC, Bórge Mortensen coll., 1.11.1964, no. 398, from the Danish Amber, late Eocene; explanatory drawings based on the original photographs, body in lateral view (A), head in lateral view (B), head in dorsal view (C), antenna (D).
Fig. 4 in A new enigmatic ant genus from late Eocene Danish Amber and its evolutionary and zoogeographic significance
Fig. 4. Dolichoderine ant Leptomyrmula maravignae (Emery, 1891), the holotype male, from the Sicilian Amber, body in lateral view (after Emery 1891).
Fig. 11 in A unique late Eocene coleoid cephalopod Mississaepia from Mississippi, USA: New data on cuttlebone structure, and their phylogenetic implications
Fig. 11. Cuttlebone of sepioid cephalopod Mississaepia mississippiensis Weaver, Dockery III, and Ciampaglio, 2010; late Eocene, Mississippi, USA (A–C) and contemporary Sepia (D). A. MGS 1956. B. MGS 1956. C. MGS 1956. D. NRM−PZ Mo. 180818. Photographs (A1−D1); EDS data on chemical composition shows presence of: A2, high content of nitrogen indicating organic ingredient in silicified tissue preserved along contact between conotheca and septum; B2, nitrogen indicating organic ingredient of phosphatised sheet within the dorsal shield; C2, D2, nitrogen indicating organic ingredient of dorsal shield.
Fig. 10 in A unique late Eocene coleoid cephalopod Mississaepia from Mississippi, USA: New data on cuttlebone structure, and their phylogenetic implications
Fig. 10. Sepioid cephalopod Mississaepia mississippiensis Weaver, Dockery III, and Ciampaglio, 2010 (MGS 1963); late Eocene, Mississippi, USA. Mural part of septum lining a chamber (A), adoral surface of peripheral portion of septum (B), photographs (A1, B1); EDS data to show chemical composition (A2, B2); in both cases nitrogen indicates organic ingredient and phosphorus indicates diagenetic phosphatization of apparently originally organic material.
Fig. 4 in A unique late Eocene coleoid cephalopod Mississaepia from Mississippi, USA: New data on cuttlebone structure, and their phylogenetic implications
Fig. 4. Sepioid cephalopod Mississaepia mississippiensis Weaver, Dockery III, and Ciampaglio, 2010 (MGS 1945); late Eocene, Mississippi, USA. Inner surface of the phragmocone exposing a small fragment of brownish transparent septum preserved. Abbreviatons: lwph, lateral wall of the phragmocone; mlad, median line indicating apertural direction; mlpd, median line indicating posterior direction; mpls, mural part of last septum; rr, ribby relief; sr, septal ridge; trs, transparent fragmentary septum; vsdsh, ventral side of dorsal shield.
Fig. 3 in A unique late Eocene coleoid cephalopod Mississaepia from Mississippi, USA: New data on cuttlebone structure, and their phylogenetic implications
Fig. 3. Sepioid cephalopod Mississaepia mississippiensis Weaver, Dockery III, and Ciampaglio, 2010 (MGS 1948); late Eocene, Mississippi, USA. Median cuttlebone section to show loosely mineralized dorsal shield (bottom), small cup−like protoconch covered by thin layer of the dorsal shield (on the left) and curved hollow phragmocone exhibiting two long chambers and next short chambers; to the right from the last preserved (eighth?) septum inner surface of phragmocone is transversely ribbed. Abbreviations: dsh dorsal shield; p, protoconch; rr, ribbed relief of the inner surface of the phragmocone; 1s, 2s, 3s, 8s, first, second, third, eighth septa.
Fig. 2 in A unique late Eocene coleoid cephalopod Mississaepia from Mississippi, USA: New data on cuttlebone structure, and their phylogenetic implications
Fig. 2. Sketch map showing the location of the Yazoo Clay, the Miss Lite Clay Pit in the northwest corner of the town of Jackson and the Moodys Branch Formation, Town Creek locality south of Jackson in Hinds County, Mississippi, USA.
Fig. 1 in A unique late Eocene coleoid cephalopod Mississaepia from Mississippi, USA: New data on cuttlebone structure, and their phylogenetic implications
Fig. 1. Cuttlebone of Late Eocene sepioid cephalopod Mississaepia mississippiensis Weaver, Dockery III, and Ciampaglio, 2010 from Mississippi, USA with a missing anterior−most part (MGS 1945), in left lateral (A) and ventral (B) views. Abbreviations: dsh, dorsal shield; lwph, lateral wall of the phragmocone; phr, phragmocone; vg, ventral groove of spine; vp, ventral plate.
Fig. 18. Oligocene Heterostegina from different Western Tethyan localities. A, B in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys
Fig. 18. Oligocene Heterostegina from different Western Tethyan localities. A, B. Heterostegina sp. (Heterostegina assilinoides Blanckenhorn, 1890 emend. Henson, 1937 in Less 1991), middle Chattian, SBZ 22B/23, Csókás 4 (NE Hungary), A−form, equatorial sections, (A) MÁFI O. 413, (B) MÁFI O. 416. C. Heterostegina aff. 1 assilinoides Blanckenhorn, 1890 emend. Henson, 1937, Rupelian/Chattian boundary, SBZ 22A/B, A−form, equatorial section, Dazklrl A 7 (SW Turkey), ITU O/DAZ.A7−9. D–G. Heterostegina assilinoides Blanckenhorn, 1890 emend. Henson, 1937, early Chattian, SBZ 22B, A−form, equatorial sections. D. Klzllcaaǧaç (Bey Daǧlarl, SW Turkey), ITU O/KIZ.4−23. E, F. Ramleh (Israel), (E) MÁFI O. 08.1, (F) MÁFI O. 08.2. G. Kelereşdere (E Turkey), ITU O/KEL.19−31.
Fig. 15. Priabonian Heterostegina from different Western Tethyan localities. A–C in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys
Fig. 15. Priabonian Heterostegina from different Western Tethyan localities. A–C. Heterostegina reticulata mossanensis ssp. nov., earliest Priabonian, SBZ 19 A. A. Verona (N Italy), Castel San Felice, hairpin bend: MÁFI E. 9565, A−form, equatorial section. B, C: Mossano 7 (N Italy), A−form, equatorial sections, MÁFI E. 9566 (B), MÁFI E. 9567 (C). D–K. Heterostegina reticulata italica Herb, 1978. D, H. Mossano 8 (N Italy), late early Priabonian, SBZ 19 B, A−form, equatorial sections, MÁFI E. 9568 (D), MÁFI E. 9569 (H). E–G, I. Noszvaj (Hungary), "middle" Priabonian, SBZ 19/20. E–G. A−form, equatorial sections, MÁFI E. 9570 (E), MÁFI E. 9571 (F), MÁFI E. 9494 (G). I. MÁFI E. 9572, external view. J, K. Possagno 1 (NE Italy), late Priabonian, Ą
Fig. 10 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys
Fig. 10. Distribution of the Eocene heterosteginid populations (mean values at the 95.44% confidence level) on the P–X (proloculus diameter versus number of undivided post−embryonic chambers) bivariate plot (X is on logarithmic scale)
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.