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Morphological Evolution and Modularity of the Caecilian Skull Carla Bardua1,2* , Mark Wilkinson1, David J
Bardua et al. BMC Evolutionary Biology (2019) 19:30 https://doi.org/10.1186/s12862-018-1342-7 RESEARCH ARTICLE Open Access Morphological evolution and modularity of the caecilian skull Carla Bardua1,2* , Mark Wilkinson1, David J. Gower1, Emma Sherratt3 and Anjali Goswami1,2 Abstract Background: Caecilians (Gymnophiona) are the least speciose extant lissamphibian order, yet living forms capture approximately 250 million years of evolution since their earliest divergences. This long history is reflected in the broad range of skull morphologies exhibited by this largely fossorial, but developmentally diverse, clade. However, this diversity of form makes quantification of caecilian cranial morphology challenging, with highly variable presence or absence of many structures. Consequently, few studies have examined morphological evolution across caecilians. This extensive variation also raises the question of degree of conservation of cranial modules (semi-autonomous subsets of highly-integrated traits) within this clade, allowing us to assess the importance of modular organisation in shaping morphological evolution. We used an intensive surface geometric morphometric approach to quantify cranial morphological variation across all 32 extant caecilian genera. We defined 16 cranial regions using 53 landmarks and 687 curve and 729 surface sliding semilandmarks. With these unprecedented high-dimensional data, we analysed cranial shape and modularity across caecilians assessing phylogenetic, allometric and ecological influences on cranial evolution, as well as investigating the relationships among integration, evolutionary rate, and morphological disparity. Results: We found highest support for a ten-module model, with greater integration of the posterior skull. Phylogenetic signal was significant (Kmult =0.87,p < 0.01), but stronger in anterior modules, while allometric influences were also significant (R2 =0.16,p < 0.01), but stronger posteriorly. -
The Caecilians of the World: a Taxonomic Review by Edward Harrison Taylor Review By: Marvalee H
The Caecilians of the World: A Taxonomic Review by Edward Harrison Taylor Review by: Marvalee H. Wake Copeia, Vol. 1969, No. 1 (Mar. 6, 1969), pp. 216-219 Published by: American Society of Ichthyologists and Herpetologists (ASIH) Stable URL: http://www.jstor.org/stable/1441738 . Accessed: 25/03/2014 11:09 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. American Society of Ichthyologists and Herpetologists (ASIH) is collaborating with JSTOR to digitize, preserve and extend access to Copeia. http://www.jstor.org This content downloaded from 192.188.55.3 on Tue, 25 Mar 2014 11:09:44 AM All use subject to JSTOR Terms and Conditions 216 COPEIA, 1969, NO. 1 three year period, some of the latter per- add-not only the Indo-Pacific, but this Indo- sonally by Munro. The book must be used Australian archipelago, the richest area in in conjunction with the checklist "The the world for marine fish species, badly needs Fishes of the New Guinea Region" (Papua more work of this high calibre.-F. H. TAL- and New Guinea Agr. J. 10:97-339, 1958), BOT, Australian Museum, 6-8 College Street, a sizable work in itself, including a full list Sydney, Australia. -
Biogeographic Analysis Reveals Ancient Continental Vicariance and Recent Oceanic Dispersal in Amphibians ∗ R
Syst. Biol. 63(5):779–797, 2014 © The Author(s) 2014. Published by Oxford University Press, on behalf of the Society of Systematic Biologists. All rights reserved. For Permissions, please email: [email protected] DOI:10.1093/sysbio/syu042 Advance Access publication June 19, 2014 Biogeographic Analysis Reveals Ancient Continental Vicariance and Recent Oceanic Dispersal in Amphibians ∗ R. ALEXANDER PYRON Department of Biological Sciences, The George Washington University, 2023 G Street NW, Washington, DC 20052, USA; ∗ Correspondence to be sent to: Department of Biological Sciences, The George Washington University, 2023 G Street NW, Washington, DC 20052, USA; E-mail: [email protected]. Received 13 February 2014; reviews returned 17 April 2014; accepted 13 June 2014 Downloaded from Associate Editor: Adrian Paterson Abstract.—Amphibia comprises over 7000 extant species distributed in almost every ecosystem on every continent except Antarctica. Most species also show high specificity for particular habitats, biomes, or climatic niches, seemingly rendering long-distance dispersal unlikely. Indeed, many lineages still seem to show the signature of their Pangaean origin, approximately 300 Ma later. To date, no study has attempted a large-scale historical-biogeographic analysis of the group to understand the distribution of extant lineages. Here, I use an updated chronogram containing 3309 species (~45% of http://sysbio.oxfordjournals.org/ extant diversity) to reconstruct their movement between 12 global ecoregions. I find that Pangaean origin and subsequent Laurasian and Gondwanan fragmentation explain a large proportion of patterns in the distribution of extant species. However, dispersal during the Cenozoic, likely across land bridges or short distances across oceans, has also exerted a strong influence. -
Edward Harrison Taylor: the Teacher by A
HERP QL 31 .T37 E37 EDWARD H. TAYLOR: RECOLLECTIONS OF AN HERPETOLOGIST NOTE: The map depicting part of the Philip- pine region, reproduced on the cover, was used by Edward H. Taylor in the course of field work in 1912-1913. Edward H. Taylor EDWARD H. TAYLOR: RECOLLECTIONS OF AN HERPETOLOGIST EDWARD H. TAYLOR Professor and Curator Emeritus Department of Systematics and Ecology and Museum of Natural History The University of Kansas Lawrence, Kansas 66045 A. BYRON LEONARD Professor Emeritus Department of Systematics and Ecology The University of Kansas Lawrence, Kansas 66045 HOBART M. SMITH Professor Department of Environmental, Population, and Organismic Biology University of Colorado Boulder, Colorado 80302 GEORGE R. PISANI Visiting Instructor Department of Biology The University of Kansas Lawrence, Kansas 66045 Monograph of THE Museum of Natural History, The University of Kansas Number 4 1975 University of Kansas Publications, Museum of Natural History Editor: Richard F. Johnston Monograph Series, Publication No. 4 pp. 1-160; 6 figures; 1 plate Published December 15, 1975 WW 1 6 1999 Museum of Natural History The University of Kansas Lawrence, Kansas 66045 U.S.A. Copyright 1975, Museum of Natural History The University of Kansas Printed by University of Kansas Printing Service Lawrence, Kansas PREFACE The charge to anyone doing a volume like this is complex and best met by artists, not scientists. Professor E. H. Taylor is now 86 years old and has been busy for all that time. How, short of a full biography, can we recreate in our minds the sense of and feeling for this energetic, creative, sometimes irascible man who has had an extraordinary career as naturalist, explorer, teacher, friend (especially of children), scientist, spy, consort of royalty and "father" of modern herpetology? This book senses the man only fractionally and certainly less than we expect for average his full persons. -
Maharashtra Vidhan Sabha Candidate List.Xlsx
List of All Maharashtra Candidates Lok Sabha Vidhan Sabha BJP Shiv Sena Congress NCP MNS Others Special Notes Constituency Constituency Vishram Padam, (Raju Jaiswal) Aaditya Thackeray (Sunil (BSP), Adv. Mitesh Varshney, Sunil Rane, Smita Shinde, Sachin Ahir, Ashish Coastal road (kolis), BDD chawls (MHADA Dr. Suresh Mane Vijay Kudtarkar, Gautam Gaikwad (VBA), 1 Mumbai South Worli Ambekar, Arjun Chemburkar, Kishori rules changed to allow forced eviction), No (Kiran Pawaskar) Sanjay Jamdar Prateep Hawaldar (PJP), Milind Meghe Pednekar, Snehalata ICU nearby, Markets for selling products. Kamble (National Peoples Ambekar) Party), Santosh Bansode Sewri Jetty construction as it is in a Uday Phanasekar (Manoj Vijay Jadhav (BSP), Narayan dicapitated state, Shortage of doctors at Ajay Choudhary (Dagdu Santosh Nalaode, 2 Shivadi Shalaka Salvi Jamsutkar, Smita Nandkumar Katkar Ghagare (CPI), Chandrakant the Sewri GTB hospital, Protection of Sakpal, Sachin Ahir) Bala Nandgaonkar Choudhari) Desai (CPI) coastal habitat and flamingo's in the area, Mumbai Trans Harbor Link construction. Waris Pathan (AIMIM), Geeta Illegal buildings, building collapses in Madhu Chavan, Yamini Jadhav (Yashwant Madhukar Chavan 3 Byculla Sanjay Naik Gawli (ABS), Rais Shaikh (SP), chawls, protests by residents of Nagpada Shaina NC Jadhav, Sachin Ahir) (Anna) Pravin Pawar (BSP) against BMC building demolitions Abhat Kathale (NYP), Arjun Adv. Archit Jaykar, Swing vote, residents unhappy with Arvind Dudhwadkar, Heera Devasi (Susieben Jadhav (BHAMPA), Vishal 4 Malabar Hill Mangal -
3Systematics and Diversity of Extant Amphibians
Systematics and Diversity of 3 Extant Amphibians he three extant lissamphibian lineages (hereafter amples of classic systematics papers. We present widely referred to by the more common term amphibians) used common names of groups in addition to scientifi c Tare descendants of a common ancestor that lived names, noting also that herpetologists colloquially refer during (or soon after) the Late Carboniferous. Since the to most clades by their scientifi c name (e.g., ranids, am- three lineages diverged, each has evolved unique fea- bystomatids, typhlonectids). tures that defi ne the group; however, salamanders, frogs, A total of 7,303 species of amphibians are recognized and caecelians also share many traits that are evidence and new species—primarily tropical frogs and salaman- of their common ancestry. Two of the most defi nitive of ders—continue to be described. Frogs are far more di- these traits are: verse than salamanders and caecelians combined; more than 6,400 (~88%) of extant amphibian species are frogs, 1. Nearly all amphibians have complex life histories. almost 25% of which have been described in the past Most species undergo metamorphosis from an 15 years. Salamanders comprise more than 660 species, aquatic larva to a terrestrial adult, and even spe- and there are 200 species of caecilians. Amphibian diver- cies that lay terrestrial eggs require moist nest sity is not evenly distributed within families. For example, sites to prevent desiccation. Thus, regardless of more than 65% of extant salamanders are in the family the habitat of the adult, all species of amphibians Plethodontidae, and more than 50% of all frogs are in just are fundamentally tied to water. -
Functional Morphology of Stereospondyl Amphibian Skulls
Functional Morphology of Stereospondyl Amphibian Skulls Samantha Clare Penrice Doctor of Philosophy School of Life Sciences College of Science July 2018 Functional morphology of stereospondyl amphibian skulls Stereospondyls were the most diverse clade of early tetrapods, spanning 190 million years, with over 250 species belonging to eight taxonomic groups. They had a range of morphotypes and have been found on every continent. Stereospondyl phylogeny is widely contested and repeatedly examined but despite these studies, we are still left with the question, why were they so successful and why did they die out? A group-wide analysis of functional morphology, informing us about their palaeobiology, was lacking for this group and was carried out in order to address the questions of their success and demise. Based on an original photograph collection, size independent skull morphometrics were used, in conjunction with analyses of the fossil record and comparative anatomy, to provide a synthesis of the functional morphology of stereospondyl amphibians. Stereospondyls originated in the Carboniferous and most taxonomic groups were extinct at the end of the Triassic. The early Triassic had exceptionally high numbers of short- lived genera, in habitats that were mostly arid but apparently experienced occasional monsoon rains. Genera turnover slowed and diversity was stable in the Middle Triassic, then declined with a series of extinctions of the Late Triassic. Stereospondyls showed the pattern of ‘disaster’ taxa: rapidly diversifying following a mass extinction, spreading to a global distribution, although this high diversity was relatively short-lived. Geometric morphometrics on characteristics of the skull and palate was carried out to assess general skull morphology and identified the orbital position and skull outline to be the largest sources of skull variation. -
Profile of Biodiversity in India
Chapter 4 Profile of Biodiversity in India India, with 2.4% of the world’s area, has over 8% of the world’s total biodiversity, making it one of the 12 megadiver- sity countries in the world. This status is based on the species richness and levels of endemism recorded in a wide range of taxa of both plants and animals.This diversity can be attributed to the vast variety of landforms and climates, resulting in habitats ranging from tropical to temperate and from alpine to desert (see Map 4.1). Adding to this is a very high diversity of human-influenced ecosystems, including agricultural and pasture lands, and a diversity of domesticated plants and animals, one of the world’s largest. India is also considered one of the world’s eight centres of origin of cultivated plants. Being a predominantly agricultural country, India also has a mix of wild and cultivated habitats, giving rise to very specialised biodiversity, which is specific to the confluence of two or more habitats. The first part of this chapter takes a look at India’s ecosystem, its species, and its genetic diversity, both ‘natural’and ‘domesticated’.The second part discusses the diverse uses of this biological diversity and the values attributed to it. 4.1 Components, Range, Global Position and Current Status of Biodiversity 4.1.1 Natural Ecosystems Biogeographic Zones of India The tendency to classify ecological regions,and plant and animal groupings,according to their geographical dis- tribution and their essential similarities and differences, is not new. Traditional human communities did this on the basis of their own understanding, though their knowledge was necessarily somewhat restricted in its geo- graphical spread (Banwari 1992; Gurukkal 1989). -
MAHARASHTRA AHEAD MARCH-APRIL 2014 3 MAHARASHTRA Contents Ahead 5 Empowering Women’S 53 Conducting Elections
Exercise Your Right to Vote The General Elections to constitute the 16th LokSabhain India have been announced recently. Maharashtra will go to the polls in three phases on April 10, 17 and 24 for the forty eight Lok Sabha seats. The registration of new voters has been streamlined to ensure maximum voters registration. Simultaneously, precautionary measures are being taken to ensure enforcement of Model Code of Conduct in letter and spirit in the entire State. A total of 89,479 polling centres have been set up in 55, 907 places in Maharashtra for the 7.89 crore registered voters in the State. The Election Commission of India’s Systematic Voters Education and Electoral Participation (SVEEP) programme has been effectively implemented through a vigorous media campaign to increase the voter turnout. Sitting at their home, the voters can now locate the polling booths through the website of Chief Electoral Officer, Maharashtra or get any other detail regarding the election process. The Government has geared up the law and order machinery in the State to prevent any untoward incident. The Central Reserve Police Force (CRPF), State Police Force (SPF) and Home Guards will be deployed to strengthen the law and order and ensure free and fair elections. Maharashtra has a glorious history of free, fair and peaceful elections. Every citizen has the boundened duty to strengthen the democratic institution of the country. I appeal to all the voters to exercise their electoral franchise in large number with great enthusiasm. J S Saharia Chief Secretary Maharashtra State MAHARASHTRA AHEAD MARCH-APRIL 2014 3 MAHARASHTRA Contents Ahead 5 Empowering Women’s 53 Conducting Elections VOL.3 ISSUE NO.10 MARCH-APRIL 2014 `50 Leadership Smoothly - Smt. -
Endemic Animals of India
ENDEMIC ANIMALS OF INDIA Edited by K. VENKATARAMAN A. CHATTOPADHYAY K.A. SUBRAMANIAN ZOOLOGICAL SURVEY OF INDIA Prani Vigyan Bhawan, M-Block, New Alipore, Kolkata-700 053 Phone: +91 3324006893, +91 3324986820 website: www.zsLgov.in CITATION Venkataraman, K., Chattopadhyay, A. and Subramanian, K.A. (Editors). 2013. Endemic Animals of India (Vertebrates): 1-235+26 Plates. (Published by the Director, Zoological Survey ofIndia, Kolkata) Published: May, 2013 ISBN 978-81-8171-334-6 Printing of Publication supported by NBA © Government ofIndia, 2013 Published at the Publication Division by the Director, Zoological Survey of India, M -Block, New Alipore, Kolkata-700053. Printed at Hooghly Printing Co., Ltd., Kolkata-700 071. ~~ "!I~~~~~ NATIONA BIODIVERSITY AUTHORITY ~.1it. ifl(itCfiW I .3lUfl IDr. (P. fJJa{a~rlt/a Chairman FOREWORD Each passing day makes us feel that we live in a world with diminished ecological diversity and disappearing life forms. We have been extracting energy, materials and organisms from nature and altering landscapes at a rate that cannot be a sustainable one. Our nature is an essential partnership; an 'essential', because each living species has its space and role', and performs an activity vital to the whole; a 'partnership', because the biological species or the living components of nature can only thrive together, because together they create a dynamic equilibrium. Nature is further a dynamic entity that never remains the same- that changes, that adjusts, that evolves; 'equilibrium', that is in spirit, balanced and harmonious. Nature, in fact, promotes evolution, radiation and diversity. The current biodiversity is an inherited vital resource to us, which needs to be carefully conserved for our future generations as it holds the key to the progress in agriculture, aquaculture, clothing, food, medicine and numerous other fields. -
Frog Leg Newsletter of the Amphibian Network of South Asia and Amphibian Specialist Group - South Asia ISSN: 2230-7060 No.16 | May 2011
frog leg Newsletter of the Amphibian Network of South Asia and Amphibian Specialist Group - South Asia ISSN: 2230-7060 No.16 | May 2011 Contents Checklist of Amphibians: Agumbe Rainforest Research Station -- Chetana Babburjung Purushotham & Benjamin Tapley, Pp. 2–14. Checklist of amphibians of Western Ghats -- K.P. Dinesh & C. Radhakrishnan, Pp. 15–20. A new record of Ichthyophis kodaguensis -- Sanjay Molur & Payal Molur, Pp. 21–23. Observation of Himalayan Newt Tylototriton verrucosus in Namdapaha Tiger Reserve, Arunachal Pradesh, India -- Janmejay Sethy & N.P.S. Chauhan, Pp. 24–26 www.zoosprint.org/Newsletters/frogleg.htm Date of publication: 30 May 2011 frog leg is registered under Creative Commons Attribution 3.0 Unported License, which allows unrestricted use of articles in any medium for non-profit purposes, reproduction and distribution by providing adequate credit to the authors and the source of publication. OPEN ACCESS | FREE DOWNLOAD 1 frog leg | #16 | May 2011 Checklist of Amphibians: Agumbe Rainforest monitor amphibians in the long Research Station term. Chetana Babburjung Purushotham 1 & Benjamin Tapley 2 Agumbe Rainforest Research Station 1 Agumbe Rainforest Research Station, Suralihalla, Agumbe, The Agumbe Rainforest Thirthahalli Taluk, Shivamogga District, Karnataka, India Research Station (75.0887100E 2 Bushy Ruff Cottages, Alkham RD, Temple Ewell, Dover, Kent, CT16 13.5181400N) is located in the 3EE England, Agumbe Reserve forest at an Email: 1 [email protected], 2 [email protected] elevation of 650m. Agumbe has the second highest annual World wide, amphibian (Molur 2008). The forests of rainfall in India with 7000mm populations are declining the Western Ghats are under per annum and temperatures (Alford & Richards 1999), and threat. -
Annual Report : 2019-2020
ANNUAL REPORT 2019-2020 ANNUAL REPORT 2019-2020 0 184TH FOUNDATION DAY CELEBRATION – OCTOBER 24, 2019 Mr. V.S. Parathasarathy, Chief Guest, Mr. Uday Guest of Honour, Ms. Mr. Sudhir Kapadia, Vice President, Bombay Chamber Kotak, MD & CEO, Kotak Rama Bijapurkar, Eminent President, Bombay Chamber and Group CFO, Group CIO & Mahindra Bank Ltd. Market Strategy and Partner & National Tax Member of the Group addressing the members on Consultant, addressing the Leader, Ernst & Young LLP Executive Board, Mahindra & ‘Mumbai 4.0’. members on ‘Bottom of delivering Vote of thanks. Mahindra Ltd. delivering the pyramid - Business welcome address. opportunities’. Mr. V. S. Parthasarathi, felicitating Mr. Uday Kotak Mr. Sudhir Kapadia, felicitating Ms. Rama Bijapurkar Ms. Rama Bijapurkar interacting with the members. View of Audience. BOMBAY CHAMBER OF COMMERCE AND INDUSTRY 1 ANNUAL REPORT 2019-2020 CONTENTS Page Nos. Bombay Chamber Awards – 2018-19 3 - Civic Awards - Good Corporate Citizen Awards Bombay Chamber Office Safety Awards 2019 4-5 Board 2019-2020 6-8 Administrative Sub-Committee 9 Bombay Chamber Membership 9 Director’s Report 10-45 Key Themes for 2019-2020 46-47 Board Meetings 48 Expert Committees 2019-2020 49-50 Expert Committee Activities 51-71 Executive Training & Development Programmes 71-72 Representations & Memoranda 72-76 Bombay Chamber of Commerce & Industry Trust for Economic & 77 Management Studies Bombay City Policy Research Foundation 78 Mumbai Arts & Crafts Foundation Trust 79 Bombay Chamber Publications 79 Chamber’s Representatives