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625 results for “1953”
Figure 11 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 11 Ethiovertex africanus (Evans, 1953), dissected larva (a–f), protonymph (g, h) and deutonymph (i), microscope images: a – cerotegument on dorsolateral part of prodorsum; b – rostral seta; c – interlamellar and bothridial seta; d – notogastral setaec1 andc2 ; e – notogastral seta
Figure 5 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 5 Ethiovertex africanus (Evans, 1953), juvenile instars (e–j: from dissected specimen): a – larva, dorsal view (part of right half of body omitted); b – protonymph, dorsal view (part of right half of body omitted); c – deutonymph, dorsal view (part of right half of body omitted – tritonymph, dorsal view (part of right half of body omitted); e – larval notogastral setah1; f – larval notogastral seta h2 ; g – larval epimeral seta 1a; h – larval subcapitulum, ventral view; i – larval palp, right, antiaxial view; j – larval chelicera, left, paraxial view. Scale bars 100 μm (b–d), 50 μm (a), 20 μm (h, j), 10 μm (e–g, i).
Figure 8 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 8 Ethiovertex africanus (Evans, 1953), dissected legs of tritonymph (d): a – leg I (trochanter omitted), right, antiaxial view; b – leg II (trochanter omitted), right, antiaxial view; c – leg III, left, antiaxial view; d – leg IV, left, antiaxial view. Scale bar 50 μm.
Figure 2 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 2 Ethiovertex africanus (Evans, 1953), adult: a – dorsal view (legs omitted); b – ventral view (legs omitted); c – right lateral view (gnathosoma and legs omitted). Scale bar 100 μm.
Figure 10 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 10 Ethiovertex africanus (Evans, 1953), adult (a), larva (b, c) and protonymph (d). SEM micrographs: a – anterior view; b – cerotegument in mediocentral part of prodorsum; c – larva, dorsal view; d – protonymph, dorsal view.
Figure 9 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 9 Ethiovertex africanus (Evans, 1953), adult, SEM micrographs: a – dorsal view; b – dorsolateral view; c – right lateral view; d – right ventrolateral view.
Figure 4 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 4 Ethiovertex africanus (Evans, 1953), dissected adult: a – leg I, right, antiaxial view; b – leg II, right, antiaxial view; c – leg III, left, antiaxial view; d – leg IV, left, antiaxial view. Scale bar 50 μm.
Figure 7 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 7 Ethiovertex africanus (Evans, 1953), dissected legs of larva (a–c) and protonymph (d): a – leg I, right, antiaxial view; b – leg II, right, antiaxial view; c – leg III, left, antiaxial view; d – leg IV, left, antiaxial view. Scale bar 20 μm.
Figure 1 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 1 Ethiovertex africanus (Evans, 1953): a – photo of locality and habitat; b – microscope image of adult, dorsal view; c – microscope image of tritonymph, dorsal view. Magnification (b, c): 10 × 40.
Figure 6 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 6 Ethiovertex africanus (Evans, 1953), juvenile instars: a, b, c, d – epimeral and anogenital regions (legs and part of right half of body omitted) in larva, proto-, deuto-, and tritonymph, respectively; e – larva, lateral view (gnathosoma and legs except basal parts omitted); f, g – anterior part of body of proto- and tritonymph, respectively, right lateral view (gnathosoma and legs except some trochanters omitted). Scale bars 100 μm (b–d, g), 50 μm (a, e, f), 20 μm (h, j).
Figure 3 Figure 3 in Ontogenetic instars ofEthiovertex africanus (Evans, 1953) (Acari, Oribatida, Scutoverticidae)
Figure 3 Figure 3 Ethiovertex africanus (Evans, 1953), adult (c–f: dissected): a – posterior view; b – anterior part of prodorsum, anterior
FIGURE 6. Macrobdella ditetra Moore, 1953 in Range Extension for the Elusive New England Medicinal Leech, Macrobdella sestertia Whitman, 1886 (Hirudinida: Macrobdellidae), in South Carolina, U.S.A., with Notes on Morphology, Coloration, and Biology
FIGURE 6. Macrobdella ditetra Moore, 1953 (CASIZ 224103) feeding on Lithobates sphenocephalus (Cope, 1886); arrows point to the leech.
Fig. 18. The vesicomyid bivalve Vesicomya margotae Beets, 1953 in Mollusks from Pliocene and Pleistocene seep deposits in Leyte, Philippines
Fig. 18. The vesicomyid bivalve Vesicomya margotae Beets, 1953 from the late Pliocene seep deposit at Liog-Liog Point, Leyte, Philippines. A. NMNS PM 28410, articulated specimen, view on left valve (A1), dorsal view (A2), view on right valve (A3), note drill hole. B. NMNS PM 28411, isolated left valve, view on exterior (B1), dorsal view showing lunular incision, (B2), view on inner side (B3), and close-up on hinge dentition (B4).
Fig. 3 a in Hemicyclammina Whitei (Henson, 1948): The Senior Synonym Of Hemicyclammina Sigali Maync 1953, A Distinctive Larger Benthonic Foraminifer From The Mid-Cretaceous Of Neotethys
Fig. 3 a - Hemicyclammina whitei (Henson). Specimen documented as "Hemicyclammina sigali Maync". Early Cenomanian, Umm Shaif, Offshore Abu Dhabi. After Banner (1970). b – Schematic sketch after Banner (1970) showing the key internal morphological features of Hemicyclammina. Features such as the thickening of the basal layer may not be easily visible in every specimen. c - Hemicyclammina whitei (Henson). Specimen labelled as "Hemicyclammina sigali Maync". Natural History Museum, London Specimen IPC M/8389. Murban-1 well, 7670', Albian, United Arab Emirates. Image reproduced courtesy of the Trustees of the Natural History Museum. d - Hemicyclammina whitei (Henson). Specimen labelled as "Hemicyclammina sigali Maync". Natural History Museum, London Specimen IPC M/8389. Murban-1 well, 7670', Albian, United Arab Emirates. Image reproduced courtesy of the Trustees of the Natural History Museum. e - Hemicyclammina whitei (Henson). Specimen labelled as "Hemicyclammina sigali Maync". Natural History Museum, London Specimen IPC M/8389. Murban-1 well, 7670', Albian, United Arab Emirates. Image reproduced courtesy of the Trustees of the Natural History Museum. f - Hemicyclammina whitei (Henson). Specimen labelled as "Hemicyclammina sigali Maync". Natural History Museum, London Specimen IPC M/8389. Murban-1 well, 7670', Albian, United Arab Emirates. Image reproduced courtesy of the Trustees of the Natural History Museum.
Fig. 4 a in Hemicyclammina Whitei (Henson, 1948): The Senior Synonym Of Hemicyclammina Sigali Maync 1953, A Distinctive Larger Benthonic Foraminifer From The Mid-Cretaceous Of Neotethys
Fig. 4 a – Hemicyclammina whitei (Henson). Specimen labelled as "Hemicyclammina, nov. sp.?" by Hamaoui (1965) (subsequently H. evoluta sensu Hamaoui 1979) IT.649 – 19718 – 63.5/196. Type Hazera Formation, Israel. Note uncoiling. b – Hemicyclammina whitei (Henson). Specimen labelled as "Hemicyclammina, nov. sp.?" by Hamaoui (1965) (subsequently H. evoluta sensu Hamaoui 1979) IT.686 – 19696 – 63.5/156. Type Hazera Formation, Israel. c – Hemicyclammina whitei (Henson). Specimen labelled as "Hemicyclammina, nov. sp.?" by Hamaoui (1965) (subsequently H. evoluta sensu Hamaoui 1979) IT.687 – 19699 – 63.5/161. Type Hazera Formation, Israel. d – Hemicyclammina? sp. Specimen labelled as "Hemicyclammina sigali" by Hosseini et al. (2016) Sample ARP 976. Lar outcrop, Iranian Zagros. e – Hemicyclammina? sp. Specimen labelled as "Hemicyclammina sigali" by Hosseini et al. (2016) Sample ARP 261. Anneh outcrop, Iranian Zagros. f –?Hemicyclammina whitei (Henson). Specimen labelled as Ismailia neumannae n. gen., n. sp. by El-Dakkak (1974) from Djebel Nezzazat, Sinai, Egypt. g -?Hemicyclammina whitei (Henson). Specimen labelled as Sinainella aegyptiaca n. gen., n. sp. by El-Dakkak (1975) from Djebel Nezzazat, Sinai, Egypt.
Fig. 1 a, b in Hemicyclammina Whitei (Henson, 1948): The Senior Synonym Of Hemicyclammina Sigali Maync 1953, A Distinctive Larger Benthonic Foraminifer From The Mid-Cretaceous Of Neotethys
Fig. 1 a, b – Holotype of Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/3723; NHMUK PM P35798. Dukhan-3 well, Qatar, 3542-3543' reinterpreted as latest Albian (see text). Image reproduced courtesy of the Trustees of the Natural History Museum. c, d - Paratype of Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/3724; NHMUK PM P35799. Dukhan-3 well, Qatar, 3542-3543' reinterpreted as latest Albian (see text). Image reproduced courtesy of the Trustees of the Natural History Museum. e, f - Paratype of Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/3722; NHMUK PM P35797. Dukhan-3 well, Qatar, 3542-3543' reinterpreted as latest Albian (see text). Probable microspheric form. Note alveolar (sensu Hottinger, 2006) wall and solid short septa. Image reproduced courtesy of the Trustees of the Natural History Museum. g – Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/8357. Rumaila-1 well, Iraq, 8010-8415' Nahr Umr Formation, Albian. Probable macrospheric form. Image reproduced courtesy of the Trustees of the Natural History Museum. h - Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/8378. Rumaila-1 well, Iraq, 8010-8415' Nahr Umr Formation, Albian. Short, pointed septa clearly visible. Image reproduced courtesy of the Trustees of the Natural History Museum.
Fig. 5 in Hemicyclammina Whitei (Henson, 1948): The Senior Synonym Of Hemicyclammina Sigali Maync 1953, A Distinctive Larger Benthonic Foraminifer From The Mid-Cretaceous Of Neotethys
Fig. 5 Recorded geographical distribution of Hemicyclammina whitei on map reconstructed to Cenomanian palaeogeography (plate model provided courtesy of Halliburton). Black dots are occurrences confirmed by illustration. Open circles with "?" are reported occurrences not verified by illustration.
Fig. 2 a in Hemicyclammina Whitei (Henson, 1948): The Senior Synonym Of Hemicyclammina Sigali Maync 1953, A Distinctive Larger Benthonic Foraminifer From The Mid-Cretaceous Of Neotethys
Fig. 2 a - Paratype of Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/3725; NHMUK PM P35800. Dukhan-3 well, Qatar, 3542-3543' reinterpreted as latest Albian (see text). Alveolar (sensu Hottinger, 2006) wall clearly visible. Image reproduced courtesy of the Trustees of the Natural History Museum. b - Paratype of Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/3744. Dukhan-3 well, Qatar, 3542-3543' reinterpreted as latest Albian (see text). Image reproduced courtesy of the Trustees of the Natural History Museum. c - Paratype of Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/3743. Dukhan-3 well, Qatar, 3542-3543' reinterpreted as latest Albian (see text). Image reproduced courtesy of the Trustees of the Natural History Museum. d - Paratype of Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/3745. Dukhan-3 well, Qatar, 3542-3543' reinterpreted as latest Albian (see text). Note alveolar (sensu Hottinger, 2006) wall and solid short septa. Image reproduced courtesy of the Trustees of the Natural History Museum. e - Hemicyclammina whitei (Henson). Natural History Museum, London Specimen IPC M/8378. Rumaila-1 well, Iraq, 8010-8415' Nahr Umr Formation, Albian. Image reproduced courtesy of the Trustees of the Natural History Museum. f – Hemicyclammina whitei (Henson). Paratype of Hemicyclammina sigali Maync. United States Natural History Museum Specimen PAL 324620. Middle Cenomanian, near Morsott, Algeria. g - Hemicyclammina whitei (Henson). Holotype of Hemicyclammina sigali Maync. United States Natural History Museum Specimen PAL 370417. Middle Cenomanian, near Morsott, Algeria. h - Hemicyclammina whitei (Henson). Specimen labelled as "Hemicyclammina sigali Maync". Natural History Museum, London Specimen IPC M/8372. Rumaila-1 well, Iraq, 9008' Nahr Umr Formation, Albian. Image reproduced courtesy of the Trustees of the Natural History Museum
Figures 13-15 in On the systematic of the water mites Oxus (Flabellifrontipoda) neotropica Lundblad, 1953 (Acari, Hydrachnidia: Oxidae)
Figures 13-15. Oxus neotropica: 13 – IV-Leg-5-6; 14 – IV-Leg-6; 15 – ejaculatory complex; 13-14 – female, 15- male. Scale bars: 13-14 = 100 μm, 15 = 50 μm
Figures 1-4 in On the systematic of the water mites Oxus (Flabellifrontipoda) neotropica Lundblad, 1953 (Acari, Hydrachnidia: Oxidae)
Figures 1-4. Oxus neotropica, deutonymph: 1 – idiosoma, lateral view; 2 – fragment of dorsal surface; 3 – genital field, ventral view; 4 – capitulum and chelicera, lateral view. Scale bars: 1-2 = 100 μm, 3-4 = 50 μm.
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