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20,299 results for “Systematic”

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Figure 7. Melanopsis ammonis and M in Conchometrics, systematics and distribution of Melanopsis (Mollusca: Gastropoda) in the Levant

Figure 7. Melanopsis ammonis and M. buccinoidea of the Jordan Valley catchment area, UPGMA dendrogram.

opencc-by-4.0Jun 2005View details →
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Figure 4 in Conchometrics, systematics and distribution of Melanopsis (Mollusca: Gastropoda) in the Levant

Figure 4. Melanopsis buccinoidea from the Jordan Valley (excluding Dan and 'En Bass') (Δ) compared with M. buccinoidea from elsewhere in the Levant (O). A, shellheight vs. shell-diameter; B, mouth-height vs. shell-height; C, whorl-height vs. mouth-height.

opencc-by-4.0Jun 2005View details →
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Figure 2 in Conchometrics, systematics and distribution of Melanopsis (Mollusca: Gastropoda) in the Levant

Figure 2. Smooth-shelled Melanopsis of the Levant. A & B, M. buccinoidea (elongate and Jordan Valley forms). C, M. ammonis. D, M. dircaena. E, M. khabourensis. F, M. meiostoma.

opencc-by-4.0Jun 2005View details →
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Figure 1 in Conchometrics, systematics and distribution of Melanopsis (Mollusca: Gastropoda) in the Levant

Figure 1. Shell conchometrics. Upper: shell viewed from front (left) and side (middle, right). Lower: notch viewed from below. Abbreviations: MH, mouth-height; MD, mouth-diameter; NW, notch-width, Nde, notch-depth; SH, shell-height; SD, shell-diameter.

opencc-by-4.0Jun 2005View details →
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Figure 18. Cladogram 4 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 18. Cladogram 4 showing most parsimonious tree with only single representatives of Palaeozoic taxa included (see Appendix 3 for character distributions in each tree).

opencc-by-4.0May 2002View details →
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Figure 17. Cladogram 3 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 17. Cladogram 3 showing one of two equally most parsimonious trees with some Palaeozoic taxa removed for clarity (see Appendix 3 for character distributions in each tree).

opencc-by-4.0May 2002View details →
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Figure 16. Cladogram 2 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 16. Cladogram 2 showing one of two equally most parsimonious trees with some Palaeozoic taxa removed for clarity (see Appendix 3 for character distributions in each tree).

opencc-by-4.0May 2002View details →
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Figure 15. Cladogram 1 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 15. Cladogram 1 showing most parsimonious tree depicting the relationships of taxa used in this study (see Appendix 3 for taxa and character distributions).

opencc-by-4.0May 2002View details →
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Figure 13 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 13. Detail of skull and forelimb of Celtedens megacephalus from Pietraroia, Italy. Scale bar = 1 mm.

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Figure 8 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 8. Manus of Celtedens ibericus. A, digit I of LH 6020; B, of digit II of LH 6020; C, digit III of LH 6020; D, digit IV of LH 6020; E, detail of wrist of LH 030 R; F, composite reconstruction of manus. Scale bar = 1 mm.

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Figure 2 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 2. Celtedens ibericus, LH 6020, from Las Hoyas, Spain. Shows outlines of dermis. Scale bar = 1 cm.

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Figure 11 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 11. Pes of C. ibericus. A, Digit I; B, digit II; C, digit III; D, digit IV; E, digit V; F, reconstruction from LH 6020. Scale bar = 1 mm.

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Figure 10 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 10. Celtedens ibericus, LH 6020, hindlimb and pelvic girdle showing possible courtship glands (spherules). Scale bar = 1 mm.

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Figure 6. A in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 6. A, Outline drawing of LH 030R. Scale bar = 1 cm. B, Enlarged detail of dentary and jugal. C, Forelimb detail showing humerus, radius, ulna and wrist bones. D, Detail of tail and hindlimbs. B, C & D scale bars = 1 mm.

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Figure 1. A in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 1. A, The Las Hoyas fossil locality in central Spain. B, Geological section of the Las Hoyas fossil locality (after Sanz et al., 1988). (a) Laminated facies, (b) Flaggy facies, (c) Massive facies, (d) Limestone with laminites, (e) Silt and clay, (f) Sand.

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Figure 9 in Albanerpetontid amphibians from the Lower Cretaceous of Spain and Italy: a description and reconsideration of their systematics

Figure 9. Pelvis and hindlimbs of LH 6020 specimen showing spherules at distal end of each femur (pes is omitted from drawing). Scale bar = 1 mm.

opencc-by-4.0May 2002View details →
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Figure 11 in Quo vadis eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla)

Figure 11. Basicranial foramina position: a.c. posterior opening of alisphenoid canal; f.m. foramen magnum; f.o. foramen ovale; g.f. glenoid fossa; m.l.f. middle lacerate foramen; p.l.f. posterior lacerate foramen; z.a. zygomatic arch. (Modified from MacFadden 1976.)

opencc-by-4.0Feb 2002View details →
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Figure 10 in Quo vadis eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla)

Figure 10. Zygomatic length: z.a. zygomatic arch; grey area indicates articular surface; dashed line indicates posterior margin of zygomatic arch. (Modified from MacFadden 1976.)

opencc-by-4.0Feb 2002View details →
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Figure 8 in Quo vadis eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla)

Figure 8. Optic foramen position: a.c. anterior opening of alisphenoid canal; a.l.f. anterior lacerate foramen; e.f. ethmoid foramen; f. frontal; f.r. foramen rotundum; l. lacrimal; m. maxilla; o. orbitosphenoid; o.f. optic foramen; p. palatine. (Modified from MacFadden 1976.)

opencc-by-4.0Feb 2002View details →
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Figure 6 in Quo vadis eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla)

Figure 6. Illustrations of type specimens, scale bar represents 1 cm. (A) AMNH 4680, type of Minippus index. (B) NMMNH P9239, type of Minippus jicarillai. (C) NMMNH P9589, referred maxillary fragment of Minippus jicarillai. (D) AMNH 4830, type of Xenicohippus craspedotum. (E) YPM 11307, 11308, type and cotype of Eohippus angusidens. (F) AMNH 4593, type of Protorohippus montanum. (G) AMNH 4832, maxillary view of the skull of the type of Protorohippus venticolum. (H) AMNH 4832, mandibles of the type of Protorohippus venticolum. (I) USNM 1064, type of Systemodon tapirinum. (J)

opencc-by-4.0Feb 2002View details →

ScienceDex guides

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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.

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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.

allen-brain-atlas
neuroscienceopenDocumentation, web resources, and API references are available online.
Last verified 2026-04-30Open record

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.

abode-home-cage
behavioral-neuroscienceopenThe DataShare record exposes download links for annotations, documentation, license text, and the zipped per-snippet data directory.
Last verified 2026-04-30Open record

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.

dandi-nwb
electrophysiologyopenPublished Dandiset metadata and archive endpoints are available through the production DANDI API.
Last verified 2026-04-30Open record

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.

ibl
behavioral-neuroscienceopenPublic sessions can be searched and loaded from the IBL public data server through ONE.
Last verified 2026-04-29Open record

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.

openneuro
neuroscienceopenPublished datasets are available on demand over the internet.
Last verified 2026-04-29Open record

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