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527 results for “Mesozoic”
Evidence for Early Mesozoic diversification of Hypsimetopidae Nicholls, 1943 (Isopoda), with the description of a new genus from Andhra Pradesh and notes on threats to Indian cave environments
<p>Datafiles and scripts for https://doi.org/10.1093/jcbiol/ruac052</p> <p>Evidence for Early Mesozoic diversification of Hypsimetopidae Nicholls, 1943 (Isopoda), with the description of a new genus from Andhra Pradesh and notes on threats to Indian cave environments</p> <p>George D. F. Wilson1,2 and Shabuddin Shaik 3</p> <p>1 Saugatuck Natural History Laboratory, Saugatuck, MI, USA; gdfw@snhlab.com</p> <p>3 Department of Life Science, Central University of Karnataka, Kadaganchi, 585 367, India; shabu.biologist@gmail.com</p> <p>2 Corresponding author: George D. F. Wilson, P. O. Box 714, Saugatuck, Michigan 49453, USA. e-mail: gdfw@snhlab.com </p> <p>File List:</p> <p>Phreatoi20220525.nex <br> Mesquite data file that contains all data from the DELTA taxonomic database that were used for data presentation, organization, analysis, as well as trees resulting from all analyses. For Mesquite version 3.70; Maddison WP, Maddison DR. 2021. Mesquite: a modular system for evolutionary analysis. Version 3.6 University of British Columbia & Oregon State University., http://www.mesquiteproject.org/ <br> <br> The DELTA database is still being edited and changed so it is not included here<br> For DELTA, see website https://www.delta-intkey.com/<br> publications:<br> Dallwitz MJ. 1980. A general system for coding taxonomic descriptions. TAXON 29: 41-46.<br> Dallwitz MJ, Paine TA, Zurcher EJ. 2000. User's guide to the DELTA system: a general system for processing taxonomic descriptions. CSIRO: Canberra.</p> <p> <br> Phreatoi20220525.tnt - the TNT data file generated by Mesquite<br> Analyses were performed using TNT-64bit, version 1.5, Goloboff PA, Catalano SA. 2016. TNT version 1.5, including a full implementation of phylogenetic morphometrics. Cladistics 32: 221-238.<br> Note: TNT counts zero as a number so the first tree, taxon or k paramter is 0, the second is 1, the third is 2 and so on </p> <p>TNT Scripts were written or modified for this project by George D. F. Wilson. They were run using the console in Ubuntu 20.04 but should work using the console version of TNT in other operating systems available from http://www.lillo.org.ar/phylogeny/tnt/. I recommend using the console because it allows you do to multiple analysis with one script. </p> <p>Each script has a banner that explains what is being done. If this fails to appear the first time, enter n and restart the script</p> <p>These are easily modified in a text editor to change the analysis<br> -- tnt.run : standard run of tnt. <br> -- tnt-jacK.run : symmetric jackknife analysis with concavity parameter, select file, concavity and prob parameter <br> -- piwe_rangeK.run : A range of concavity parameters are selected at the beginning and run sequentially<br> -- setk_trans.run : Modified from setk.run by Salvador Arias, Instituto Miguel Lillo, San Miguel de Tucuman, Argentina<br> -- aquickie_bt1000.run : Modified from the standard script distributed with TNT with more iterations of jackknifing<br> <br> If you are new to using TNT, see the information available on http://www.lillo.org.ar/phylogeny/tnt/ as well as these articles:<br> Goloboff PA. 1993. Estimating character weights during tree search. Cladistics 9: 83-91.<br> Goloboff PA. 1997. Self-Weighted Optimization: Tree Searches and Character State Reconstructions under Implied Transformation Costs. Cladistics 13: 225-245.<br> Goloboff PA, Carpenter JM, Arias JS, Esquivel DRM. 2008. Weighting against homoplasy improves phylogenetic analysis of morphological data sets. Cladistics 24: 758-773.<br> Goloboff PA, Catalano SA. 2016. TNT version 1.5, including a full implementation of phylogenetic morphometrics. Cladistics 32: 221-238.<br> Goloboff PA, Farris JS. 2001. Methods for Quick Consensus Estimation. Cladistics 17: S26-S34.<br> Goloboff PA, Farris JS, Källersjö M, Oxelman B, Ramírez MJ, Szumik CA. 2003. Improvements to resampling measures of group support. Cladistics 19: 324-332.<br> Goloboff PA, Farris JS, Nixon KC. 2008. TNT, a free program for phylogenetic analysis. Cladistics 24: 774-786.</p>
Pressure-driven Poiseuille flow inherited from Mesozoic mantle circulation led to the Eocene separation of Australia and Antarctica
<p>Mantle temperature field at 60 Ma and at a random distribution for TERRA and numerical grids for SHELLS.</p> <p> </p>
FIGURE 4 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 4. Blattinopsis sp. specimen MNHNLPR. 55236 (forewing; print): photograph of the mediocubital area (detail of the ‘ strut’ between M and CuA) (scale bars represents 1 mm).
FIGURE 14 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 14. Gerarus bruesi, holotype specimen MNHNLPR. 51164 (counterpart): photograph of the mediocubital area (detail of common stem M + CuA, distal free part of CuA, and fusion of CuA and CuPa). (scale bar represents 3 mm).
FIGURE 7 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 7. Stenoneura fayoli, holotype specimen MNHNLPR. 51207 (print): photograph (under alcohol) (scale bar represents 1 cm).
FIGURE 17 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 17. Strict consensus tree of 48 minimal equally parsimonious trees obtained after cladistic analysis. Clades in grey are considered weakly supported by the analysis, after characters state consistency indices.
FIGURE 3 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 3. Blattinopsis sp., specimen MNHNLPR. 55236 (forewing; print): reconstruction and photograph (scale bar represents 1 cm).
FIGURE 12 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 12. Osnogerarus trecwithiensis, cast of the holotype specimen MS G 1080 (counterpart), Museum am Schölerberg (Osnabrück, Germany): photograph of the wing base (light from bottom of the picture, vein relief appears reversed in the photograph orientation). (scale bar represents 2 mm).
FIGURE 10 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 10. Narkeminidae sp. indet., specimen MNHNLPR. R 55237 ab (forewing; print and counterpart): reconstruction (print and counterpart) and photograph (counterpart; under alcohol). (scale bar represents 1 cm).
FIG. 7 in Historical perspective: 140 years of Mesozoic radiolarian taxonomy
FIG. 7. — Pie diagram showing distribution of Mesozoic species across their authorship for the 2nd period of research (1960-2008). Number of species in brackets.
FIG. 5 in Historical perspective: 140 years of Mesozoic radiolarian taxonomy
FIG. 5. — Pie diagram showing distribution of Mesozoic species across the main orders of radiolarians.Since the order's assignments are probably not accurate, this diagram is of weak meaning.
FIG. 12 in Historical perspective: 140 years of Mesozoic radiolarian taxonomy
FIG. 12. — Bar diagram showing the distribution of synonymous genera for the Jurassic-Cretaceous period.
FIG. 2 in Historical perspective: 140 years of Mesozoic radiolarian taxonomy
FIG. 2. — Area diagram showing the distribution of papers published on radiolarians (6100 publications) with indication of Mesozoic (2333 publications) between 1834 and 2008.
FIG. 3 in Historical perspective: 140 years of Mesozoic radiolarian taxonomy
FIG. 3. — Pie diagram showing the number of new species across the two main historic stages of researches.
FIG. 6 in Historical perspective: 140 years of Mesozoic radiolarian taxonomy
FIG. 6. — Pie diagram showing distribution of Mesozoic species across their authorship for the 1st period of research (1867-1959). Number of species in brackets.
FIG. 8 in Historical perspective: 140 years of Mesozoic radiolarian taxonomy
FIG. 8. — Pie diagram showing the percentage distribution of Mesozoic genera across their current taxonomic status.
FIG. 11 in Historical perspective: 140 years of Mesozoic radiolarian taxonomy
FIG. 11. — Bar diagram showing the distribution of invalid genera (mostly synonyms) for the Triassic period.
FIG. 10 in Historical perspective: 140 years of Mesozoic radiolarian taxonomy
FIG. 10. — Pie diagram showing the distribution of nomina dubia genera for the Mesozoic Era plotted by stages of radiolarian researches.
Figure 4 in A revision of the extinct Mesozoic family Prochydoridae Smirnov, 1992 (Crustacea: Cladocera) with a discussion of its phylogenetic position
Figure 4. SEM micrographs of Archeoxus mirabilis from Khotont, Mongolia. A–C, holotype PIN 4307/2028, general view, head and ventral margin of valve. D, E, PIN 4307/2018, general view and antenna II. F, G, paratype PIN 4397/2007, antenna II and postabdominal claws. H, paratype PIN 4307/2012, general view. Scale bars: A, D, H, 1 mm; B, C, E–G, 0.1 mm.
Figure 6 in A revision of the extinct Mesozoic family Prochydoridae Smirnov, 1992 (Crustacea: Cladocera) with a discussion of its phylogenetic position
Figure 6. SEM (A–D, F) and optical (E, G, H) micrographs of Recent Anomopoda. A, Chydorus sphaericus. B, Leberis diaphanus. C, D, Daphnia barbata, lateral view and head. E, Saycia cooki, head shield. F, Eurycercus lamellatus, dissected head. G, Daphnia magna, exuvium. H, Daphnia magna, mandibular articulation. Scale bars: 0.1 mm.
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International Brain Laboratory public data
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OpenNeuro
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