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chelae

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Line drawings of carapaces and P1 <span class="search-highlight">chelae</span> of erymid lobsters. A–C,  Eryma  M...
Published: 03 October 2017
Fig. 1 Line drawings of carapaces and P1 chelae of erymid lobsters. A–C, Eryma Meyer, 1840: carapace (A), P1 chela form I (B), P1 chela form II (C); D, carapace of Palaeastacus Bell, 1850 ; E, carapace of Stenodactylina Beurlen, 1928 ; F, carapace of Enoploclytia M'Coy, 1849 ; G, carapace
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Clibanarius isabenaensis  n. sp. ( 1–3)  Holotype MGSB77625: ( 1 ) lateral ...
Published: 01 January 2023
Figure 2. Clibanarius isabenaensis n. sp. ( 1–3) Holotype MGSB77625: ( 1 ) lateral view of inner side of left chela; ( 2 ) frontal view; ( 3 ) outer side lateral view of left chela. ( 4, 5 ) Paratype (MGSB85955), left chela: ( 4 ) upper view ( 5 ) frontal view. ( 6 ) Paratype MPZ 2021/30
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( 1–6 )  Eryma  sp.: ( 1–3 ) P1 <span class="search-highlight">chela</span> from Gorenka, upper Callovian (PIN 54...
Published: 01 September 2023
Figure 12. ( 1–6 ) Eryma sp.: ( 1–3 ) P1 chela from Gorenka, upper Callovian (PIN 5477/4953, dusted with ammonium chloride): ( 1 ) right ventral view, ( 2 ) right dorsal view, ( 3 ) basal view; ( 4, 5 ) P1 chela from Gorenka, upper Callovian (PIN 5477/4539, dusted with ammonium chloride): ( 4
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Figure  3 — Shinkaia katapsyxis  new species, cheliped elements.  1 , USNM ...
Published: 01 September 2008
Figure 3 — Shinkaia katapsyxis new species, cheliped elements. 1 , USNM 536294, paratype, outer surface of left chela with fixed finger and large spines on lower margin on fixed finger; 2 , USNM 536295, paratype, inner surface of right chela and fixed finger showing large, ovate cavity; 3
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( 1–3 )  Eryma  aff.  E. ventrosum  (von Meyer,  1835 ): ( 1 ,  2 ) carapac...
Published: 01 September 2023
lateral view; ( 4 ) Eryma ornatum (Quenstedt, 1858 ), P1 chela from Spartak, lower Callovian (PIN 5477/3765), dorsal view. a = branchiocardiac groove; ar = antennal ridge; b = antennal groove; b 1  = hepatic groove; c = postcervical groove; cp = carpus of P1; d = gastro-orbital groove; dac = dactylus
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Dardanus balaitus  n. sp. ( 1–3 ) Holotype MGSB77622, right <span class="search-highlight">chela</span>: ( 1 ) la...
Published: 01 January 2023
Figure 6. Dardanus balaitus n. sp. ( 1–3 ) Holotype MGSB77622, right chela: ( 1 ) lateral view of outer side; ( 2 ) frontal view; ( 3 ) upper view. ( 4, 5 ) Paratype MGSB77623, left chela: ( 4 ) lateral view of inner side; ( 5 ) lateral view of outer side. ( 6 ) Oblique interior view
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Anisopagurus primigenius  n. sp.  (1–4 ) Holotype (MPZ 2021/31), right chel...
Published: 01 January 2023
Figure 10. Anisopagurus primigenius n. sp. (1–4 ) Holotype (MPZ 2021/31), right chela: ( 1 ) lateral view of outer side; ( 2 ) oblique upper view; ( 3 ) frontal view. ( 4 ) Detail of the occlusal margin with two teeth. ( 5–7 ) Paratype (MGSB77624), right chela: ( 5 ) lateral view of outer side
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Figure  3 — Paranecrocarcinus  spp. from the type Maastrichtian.  1–2 ,  Pa...
Published: 01 September 2002
differences of carapace ( 3–7 ) and chelae ( 8–9 ), 3 = MAB k.1924, 4 = MAB k.1206, 5 = MAB k.1169, 6 = MAB k.1174, 7 = MAB k. 1012, 8 = MAB k.1236 chela inner view, 9 = MAB k.0720 chela outer view, all ×5
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Eocalcinus veteris  n. sp. ( 1–5 ) Paratype MPZ 2021&#x2F;29), left <span class="search-highlight">chela</span>: ( 1 )...
Published: 01 January 2023
Figure 7. Eocalcinus veteris n. sp. ( 1–5 ) Paratype MPZ 2021/29), left chela: ( 1 ) lateral view of inner side; ( 2 ) frontal view; ( 3 ) lateral view of outer side; ( 4 ) upper view; ( 5 ) inferior view. ( 6, 7 ) Isolated dactylus (MPZ 2022/13) in lateral and occlusal margin (inferior view
Series: Geological Society, London, Special Publications
Published: 01 January 2003
DOI: 10.1144/GSL.SP.2003.207.6
EISBN: 9781862394551
...-Chela unconformity as lake level dropped in the Early Aptian, exposing the prograding deltas of the Argilles Vertes Formation; (2) the regional development of the Chela unconformity and transgressive lag deposits of the Chela Formation in the Mid-Aptian; (3) the development of regionally extensive...
FIGURES | View All (14)
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Figure  3 — 1 ,  Callianassa  sensu lato sp., outer surface of <span class="search-highlight">chela</span>, IHNCH...
Published: 01 September 2001
Figure 3 — 1 , Callianassa sensu lato sp., outer surface of chela, IHNCH 3424; 2 , Dardanus mexicanus n. sp., outer surface of propodus of holotype, IHNCH 3427; 3 , Callianassa sensu lato sp., internal mold of chela, IHNCH 3425; 4 , Dardanus mexicanus n. sp., inner surface of propodus
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Parapetrochirus serratus  n. sp. ( 1–4 ) Holotype MPZ 2022&#x2F;7, left <span class="search-highlight">chela</span>: (...
Published: 01 January 2023
Figure 4. Parapetrochirus serratus n. sp. ( 1–4 ) Holotype MPZ 2022/7, left chela: ( 1 ) lateral view of outer side; ( 2 ) frontal view; ( 3 ) upper view; ( 4 ) lower view. ( 5) Paratype MGSB77621a, lateral view of outer side of right cheliped. ( 6–9 ) Paratype MGSB77621b, right chela: ( 6
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Shape change of the left <span class="search-highlight">chelas</span> of  Eocalcinus  during the Eocene.
Published: 01 January 2023
Figure 8. Shape change of the left chelas of Eocalcinus during the Eocene.
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Anisaeger brevispinus  n. gen. n. sp.  1 , LPI-40864, paratype, carapace an...
Published: 01 May 2014
of appendages, anterior-most with possible chela; 5 , LPI-41392, paratype, appendages including what appear to be two chelae. Scale bars as labeled.
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Morphology of the carapace and of the <span class="search-highlight">chela</span> of the first pair of pereiopods...
Published: 12 June 2019
Fig. 2 Morphology of the carapace and of the chela of the first pair of pereiopods of Eryma Meyer, 1840a and Eryma sinemurianum ( Garassino, 1996 ). A: typical carapace groove pattern of Eryma ; B: form I of chela of the first pair of pereiopods of Eryma ; C: form II of chela of the first
Journal Article
Published: 01 March 2013
Journal of the Geological Society (2013) 170 (2): 353–363.
...-resolution ion microprobe method. U–Pb ages of 2038 ± 28 Ma and 1954 ± 6 Ma were obtained on weakly deformed granite samples from the basement below the Humpata Plateau. The Chela Group on the Humpata Plateau is a relatively undeformed Palaeoproterozoic supracrustal sequence with an eruptive age of 1798 ± 11...
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Journal Article
Journal: PALAIOS
Published: 01 January 2010
PALAIOS (2010) 25 (3): 167–182.
... by which decapods crush shells or eat shelled prey might be recorded in the body-fossil record, as they require specialization of the appendages. These include use of (1) heterochelous first pereiopods, (2) molariform teeth on the fingers of the chelae, (3) a curved proximal tooth on the movable finger...
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Series: Geological Society, London, Special Publications
Published: 01 January 2008
DOI: 10.1144/SP294.3
EISBN: 9781862395428
... and Bahia (Brazil). These basins contain volcanic rocks and conglomerates alternating with sandstones, argillites and dolomites, deposited in continental, transitional and marine environments. The rocks in the westernmost sector of the Congo Craton (Central Africa) compose the Chela Group, comprising...
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Series: GSA Special Papers
Published: 01 January 1935
DOI: 10.1130/SPE2-p1
..., are scarce. The shells are thin, fragile, and easily destroyed, so that the remains consist largely of chelae or parts of chelae, as these are usually thicker than the carapace and other appendages. The number of species at hand is relatively small; more are known from the lower Cretaceous of Texas...
Journal Article
Published: 01 January 2023
Journal of Paleontology (2023) 97 (1): 172–188.
...Figure 2. Clibanarius isabenaensis n. sp. ( 1–3) Holotype MGSB77625: ( 1 ) lateral view of inner side of left chela; ( 2 ) frontal view; ( 3 ) outer side lateral view of left chela. ( 4, 5 ) Paratype (MGSB85955), left chela: ( 4 ) upper view ( 5 ) frontal view. ( 6 ) Paratype MPZ 2021/30...
FIGURES | View All (10)