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Prof. Dr. Alexander Haas

  • Head of Section Herpetology

Martin-Luther-King-Platz 3
20146 Hamburg
R-231

Phone: +49 40 238317 614
E-Mail: a.haas@leibniz-lib.de

Projects

Publications

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    2024

  • 2024/09

    Kubota, M., Hallermann, J., Beerlink, A., Haas, A.

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    The skull morphology of the Komodo dragon, Varanus komodoensis (Reptilia, Squamata, Varanidae)—a digital-dissection study

    Evolutionary Systematics, 8

  • 2024/09

    Dias, P.H.d.S., Phillips, J.R., Pereyra, M.O., Means, D.B., Haas, A., Kok, P.J.R.

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    The remarkable larval morphology of Rhaebo nasicus (Werner, 1903) (Amphibia: Anura: Bufonidae) with the erection of a new bufonid genus and insights into the evolution of suctorial tadpoles

    Zoological Letters

  • 2024/09

    Vera Candioti, F., Dias, P.H.d.S., Haas, A.

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    Chapter 8: Musculoskeletal System.

    II

  • 2024/09

    Dias, P.H.d.S., Vera Candioti, F., Wassersug, R., Lukas, P., Targino, M., Glos, J., Wheeler, W.C., Hertwig, S.T., Crottini, A., Haas, A.

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    Stranger things: On the novel buccopharyngeal anatomy and functional morphology of “sand-eating” Malagasy tadpoles (Anura: Mantellidae: Mantidactylus).

    Zoological journal of the Linnean Society

  • 2022

  • 2022/12

    Arifin, U., Smart, U., Husemann, M., Hertwig, S.T., Smith, E.N., Iskandar, D.T., Haas, A.

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    Phylogeographic inference of Sumatran ranids bearing gastromyzophorous tadpoles with regard to the Pleistocene drainage systems of Sundaland

    Scientific reports, 1, 12

  • 2022/06

    Haas, A., Das, I., Hertwig, S.T., Bublies, P., Schulz-Schaeffer, R.

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    A Guide to the Tadpoles of Borneo

  • 2021

  • 2021/02

    Engelkes, K., Panpeng, S., Haas, A.

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    Ontogenetic development of the shoulder joint muscles in frogs (Amphibia: Anura) assessed by digital dissection with implications for interspecific muscle homologies and nomenclature

    Zoomorphology, 1, 140

  • 2021/00

    Haas, A., Schwippert, S., Buesse, S., Kleinteich, T., Beerlink, A., Hammel, J., Gorb, S., Engelkes, K.

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    Anomalies in the vertebral column and ilio-sacral articulation of some anuran amphibians

    Salamandra, 1, 57

  • 2020

  • 2020/10

    Engelkes, K., Kath, L., Kleinteich, T., Hammel, J.U., Beerlink, A., Haas, A.

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    Ecomorphology of the pectoral girdle in anurans (Amphibia, Anura): Shape diversity and biomechanical considerations

    Ecology and Evolution, 20, 10

  • 2019

  • 2019/08

    Engelkes, K., Helfsgott, J., Hammel, J.U., Büsse, S., Kleinteich, T., Beerlink, A., Gorb, S.N., Haas, A.

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    Measurement error in μ CT‐based three‐dimensional geometric morphometrics introduced by surface generation and landmark data acquisition

    Journal of anatomy, 2, 235

  • 2018

  • 2018/01

    Arifin, U., Cahyadi, G., Smart, U., Jankowski, A., Haas, A.

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    A new species of the genus Pulchrana Dubois, 1992 (Amphibia: Ranidae) from Sumatra, Indonesia.

    Raffles Bulletin of Zoology, 66

  • 2017

  • 2017/11

    Engelkes, K., Friedrich, F., Hammel, J.U., Haas, A.

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    A simple setup for episcopic microtomy and a digital image processing workflow to acquire high-quality volume data and 3D surface models of small vertebrates

    Zoomorphology, 1, 137

  • 2017/03

    Candioti, F.V., Haas, A., Altig, R., Peixoto, O.

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    Cranial anatomy of the amazing bromeliad tadpoles of Phyllodytes gyrinaethes (Hylidae: Lophyohylini), with comments about other gastromyzophorous larvae

    Zoomorphology, 136

  • 2017/03

    Waser, L.E., Schweizer, M., Haas, A., Das, I., Jankowski, A., Min, P.Y., Hertwig, S.T.

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    From a lost world: an integrative phylogenetic analysis of Ansonia Stoliczka, 1870 (Lissamphibia: Anura: Bufonidae), with the description of a new species

    Organisms Diversity & Evolution, 17

  • 2016

  • 2016/10

    Das, I., Hedeir, H., Pui, Y.M., Hertwig, S.T., Haas, A.

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    Larval external morphology and development in Feihyla kajau (Dring, 1983)(Amphibia: Anura: Rhacophoridae)

    Raffles Bulletin of Zoology, 64

  • 2016/02

    Gan, L.L., Hertwig, S.T., Das, I., Haas, A.

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    The anatomy and structural connectivity of the abdominal sucker in the tadpoles of Huia cavitympanum, with comparisons to Meristogenys jerboa (Lissamphibia …

    Journal of zoological systematics and evolutionary research, 1, 54

  • 2014

  • 2014/07

    Oberhummer, E., Barten, C., Schweizer, M., Das, I., Haas, A., Hertwig, S.T.

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    Description of the tadpoles of three rare species of megophryid frogs (Amphibia: Anura: Megophryidae) from Gunung Mulu, Sarawak, Malaysia

    Zootaxa, 1, 3835

  • 2014/04

    Das, I., Min, P.Y., Hsu, W.W., Hertwig, S.T., Haas, A.

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    Red hot chili pepper. A new Calluella Stoliczka, 1872 (Lissamphibia: Anura: Microhylidae) from Sarawak, East Malaysia (Borneo)

    Zootaxa, 4, 3785

  • 2014/09

    Haas, A., Pohlmeyer, J., McLeod, D.S., Kleinteich, T., Hertwig, S.T., Das, I., Buchholz, D.R.

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    Extreme tadpoles II: the highly derived larval anatomy of Occidozyga baluensis (Boulenger, 1896), an obligate carnivorous tadpole

    Zoomorphology, 133

  • 2014/06

    Hertwig, S.T., Min, P.Y., Haas, A., Das, I.

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    Dressed in black. A new Ansonia Stoliczka, 1870 (Lissamphibia: Anura: Bufonidae) from Gunung Murud, Sarawak, East Malaysia (Borneo)

    Zootaxa, 3, 3814

  • 2014/02

    Kleinteich, T., Herzen, J., Beckmann, F., Matsui, M., Haas, A.

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    Anatomy, function, and evolution of jaw and hyobranchial muscles in cryptobranchoid salamander larvae

    Journal of morphology, 2, 275

  • 2013

  • 2013/09

    Griep, S., Schilling, N., Marshall, P., Amling, M., Hahne, L.M., Haas, A.

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    Pectoral girdle movements and the role of the glenohumeral joint during landing in the toad, Rhinella marina (Linnaeus, 1758)

    Zoomorphology, 132

  • 2013/09

    Hertwig, S.T., Schweizer, M., Das, I., Haas, A.

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    Diversification in a biodiversity hotspot–The evolution of Southeast Asian rhacophorid tree frogs on Borneo (Amphibia: Anura: Rhacophoridae)

    Molecular Phylogenetics and Evolution, 3, 68

  • 2013/12

    Min, P.Y., Das, I., Haas, A.

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    New records of Limnonectes rhacodus (Inger, Boeadi and Taufik, 1996) (Lissamphibia: Anura: Dicroglossidae) from Sarawak, East Malaysia (Northwestern Borneo)

    Check List, 6, 9

  • 2012

  • 2012/08

    Hertwig, S.T., Lilje, K.E., Min, P.Y., Haas, A., Das, I.

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    Molecular evidence for direct development in the rhacophorid frog, Philautus acutus (Rhacophoridae, Anura) from Borneo

    The Raffles bulletin of zoology, 60

  • 2012/01

    Hertwig, S.T., Das, I., Schweizer, M., Brown, R., Haas, A.

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    Phylogenetic relationships of the Rhacophorus everetti‐group and implications for the evolution of reproductive modes in Philautus (Amphibia: Anura …

    Zoologica scripta, 1, 41

  • 2012/01

    Haas, A.

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    The glass frog tadpoles of Costa Rica (Anura: Centrolenidae): a study of morphology

    Journal of zoological systematics and evolutionary research, 50, 1

  • 2012/05

    Haas, A., Hertwig, S.T., Krings, W., Braskamp, E., Dehling, J.M., Min, P.Y., Jankowski, A., Schweizer, M., Das, I.

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    Description of three Rhacophorus tadpoles (Lissamphibia: Anura: Rhacophoridae) from Sarawak, Malaysia (Borneo)

    Zootaxa, 1, 3328

  • 2011

  • 2011/05

    Roelants, K., Haas, A., Bossuyt, F.

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    Anuran radiations and the evolution of tadpole morphospace

    Proceedings of the National Academy of Sciences, 21, 108

  • 2011/00

    Haas, A., Das, I.

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    Describing east Malaysian tadpole diversity: status and recommendations for standards and procedures associated with larval amphibian description and documentation

    TROPICAL VERTEBRATES IN A CHANGING WORLD

  • 2011/05

    Kleinteich, T., Haas, A.

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    The hyal and ventral branchial muscles in caecilian and salamander larvae: homologies and evolution

    Journal of morphology, 5, 272

  • 2010

  • 2010/08

    Das, I., Haas, A.

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    New species of Microhyla from Sarawak: Old World’s smallest frogs crawl out of miniature pitcher plants on Borneo (Amphibia: Anura: Microhylidae)

    Zootaxa, 1, 2571

  • 2010/00

    Sukumaran, J., Das, I., Haas, A.

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    Descriptions of the advertisement calls of some Bornean frogs

    Russian Journal of Herpetology, 3, 17

  • 2009

  • 2009/12

    Haas, A., Wolter, J., Hertwig, S.T., Das, I.

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    Larval morphologies of three species of stream toads, genus Ansonia (Amphibia: Bufonidae) from East Malaysia (Borneo), with a key to known Bornean Ansonia tadpoles

    Zootaxa, 1, 2302

  • 2009/00

    Direp, Y., Das, I., Haas, A.

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    Reproductive and trophic ecology of Ansonia minuta (Amphibia: Bufonidae)

    Malayan Nature Journal, 4, 61

  • 2009/08

    Mitgutsch, C., Olsson, L., Haas, A.

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    Early embryogenesis in discoglossoid frogs: a study of heterochrony at different taxonomic levels

    Journal of zoological systematics and evolutionary research, 3, 47

  • 2008

  • 2008/09

    Kleinteich, T., Beckmann, F., Herzen, J., Summers, A.P., Haas, A.

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    Applying X-ray tomography in the field of vertebrate biology: form, function, and evolution of the skull of caecilians (Lissamphibia: Gymnophiona)

    7078

  • 2008/12

    Kleinteich, T., Haas, A., Summers, A.P.

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    Caecilian jaw-closing mechanics: integrating two muscle systems

    Journal of The Royal Society Interface, 29, 5

  • 2008/01

    Mitgutsch, C., Piekarski, N., Olsson, L., Haas, A.

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    Heterochronic shifts during early cranial neural crest cell migration in two ranid frogs

    Acta Zoologica, 1, 89

  • 2008/06

    Frost, D.R., Grant, T., Faivovich, J., Bain, R.H., Haas, A., Haddad, C.F., Sa, R.O.D., Channing, A., Wilkinson, M., Donnellan, S.C., Raxworthy, C.J., Campbell, J.A., Blotto, B.L., Moler, P., Drewes, R.C., Nussbaum, R.A., Lynch, J.D., Green, D.M., Wheeler, W.C.

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    Is The Amphibian Tree of Life really fatally flawed?

    Cladistics, 3, 24

  • 2008/08

    Roelants, K., Haas, A., Bossuyt, F.

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    Tadpoles through time: Interplay of innovation and homoplasy in anuran larval evolution

  • 2007

  • 2007/03

    Handrigan, G.R., Haas, A., Wassersug, R.J.

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    Bony‐tailed tadpoles: the development of supernumerary caudal vertebrae in larval megophryids (Anura)

    Evolution & development, 2, 9

  • 2007/00

    Das, I., Jankowski, A., Makmor, M., Haas, A.

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    Species diversity, elevational distribution and reproductive modes in an amphibian community at the Matang Range, Sarawak (Borneo)

    Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut, 1, 104

  • 2007/01

    Kleinteich, T., Haas, A.

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    Cranial musculature in the larva of the caecilian, Ichthyophis kohtaoensis (Lissamphibia: Gymnophiona)

    Journal of morphology, 1, 268

  • 2006

  • 2006/03

    Frost, D.R., Grant, T., Faivovich, J., Bain, R.H., Haas, A., Haddad, C.F., Sa, R.O.D., Channing, A., Wilkinson, M., Donnellan, S.C., Raxworthy, C.J., Campbell, J.A., Blotto, B.L., Moler, P., Drewes, R.C., Nussbaum, R.A., Lynch, J.D., Green, D.M., Wheeler, W.C.

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    The amphibian tree of life

    Bulletin of the American Museum of natural History, 297, 2006

  • 2006/02

    Haas, A., Hertwig, S., Das, I.

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    Extreme tadpoles: the morphology of the fossorial megophryid larva, Leptobrachella mjobergi

    Zoology, 1, 109

  • 2006/00

    Haas, A., Mitgutsch, C., Hertwig, S.

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    The tadpole of Tomopterna luganga Channing, Moyer & Dawood, 2004 (Anura: Ranidae)

    SALAMANDRA-BONN-, 1, 42

  • 2005

  • 2005/05

    Svensson, M.E., Haas, A.

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    Evolutionary innovation in the vertebrate jaw: a derived morphology in anuran tadpoles and its possible developmental origin

    BioEssays, 5, 27

  • 2005/00

    Das, I., Haas, A.

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    Sources of larval identities for amphibians from Borneo

    Herpetological Review, 4, 36

  • 2005/12

    Das, I., Haas, A.

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    A new species of Rhacophorus (Anura: Rhacophoridae) from Gunung Gading, Sarawak

    The Raffles bulletin of zoology, 2, 53

  • 2004

  • 2004/02

    Hertwig, S., Sá, R.O.D., Haas, A.

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    Phylogenetic signal and the utility of 12S and 16S mtDNA in frog phylogeny

    Journal of zoological systematics and evolutionary research, 1, 42

  • 2004/00

    Candioti, M.F.V., Haas, A.

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    Three-dimensional reconstruction of the hyobrancchial apparatus of Hyla nana tadpoles (Anura: hylidae)

    Cuadernos de Herpetología, 18

  • 2003

  • 2003/02

    Haas, A.

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    Phylogeny of frogs as inferred from primarily larval characters (Amphibia: Anura)★

    Cladistics, 1, 19

  • 2003/06

    Das, I., Haas, A.

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    A new species of Kalophrynus (Anura: Microhylidae) from the highlands of north-central Borneo

    Raffles Bulletin of Zoology, 1, 51

  • 2001

  • 2001/12

    Chipman, A.D., Khaner, O., Haas, A., Tchernov, E.

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    The evolution of genome size: what can be learned from anuran development?

    Journal of Experimental Zoology, 4, 291

  • 2001/01

    Haas, A.

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    Mandibular arch musculature of anuran tadpoles, with comments on homologies of amphibian jaw muscles

    Journal of morphology, 1, 247

  • 2000

  • 2000/12

    Chipman, A.D., Haas, A., Tchernov, E., Khaner, O.

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    Variation in anuran embryogenesis: differences in sequence and timing of early developmental events

    Journal of Experimental Zoology, 4, 288

  • 1999

  • 1999/04

    Beutel, R., Maddison, D., Haas, A.

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    Phylogenetic analysis of Myxophaga (Coleoptera) using larval characters

    Systematic entomology, 2, 24

  • 1999/07

    Chipman, A.D., Haas, A., Khaner, O.

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    Variations in anuran embryogenesis: yolk-rich embryos of Hyperolius puncticulatus (Hyperoliidae).

    Evolution & Development, 1, 1

  • 1999/05

    Haas, A.

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    Larval and metamorphic skeletal development in the fast-developing frog Pyxicephalus adspersus (Anura, Ranidae)

    Zoomorphology, 1, 119

  • 1998

  • 1998/06

    Beutel, R., Haas, A.

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    Larval head morphology of Hydroscapha natans (Coleoptera, Myxophaga) with reference to miniaturization and the systematic position of Hydroscaphidae

    Zoomorphology, 2, 118

  • 1998/11

    Haas, A., Richards, S.J.

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    Correlations of cranial morphology, ecology, and evolution in Australian suctorial tadpoles of the genera Litoria and Nyctimystes (Amphibia: Anura: Hylidae …

    Journal of morphology, 2, 238

  • 1997

  • 1997/12

    Haas, A., Fischer, M.S.

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    Three‐dimensional reconstruction of histological sections using modern product‐design software

    The Anatomical Record: An Official Publication of the American Association of Anatomists, 4, 249

  • 1997/12

    Haas, A.

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    The larval hyobranchial apparatus of discoglossoid frogs: its structure and bearing on the systematics of the Anura (Amphibia: Anura)

    Journal of zoological systematics and evolutionary research, 4, 35

  • 1996

  • 1996/01

    Haas, A., Beutel, R.

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    Phylogenetic analysis of larval and adult characters of Adephaga (Coleoptera) using cladistic computer programs

    Insect Systematics & Evolution, 2, 27

  • 1996/00

    Haas, A.

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    Das larvale cranium von Gastrotheca riobambae und seine metamorphose (Amphibia, Anura, Hylidae)

    Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg, 36

  • 1996/09

    Haas, A.

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    Non‐feeding and feeding tadpoles in hemiphractine frogs: larval head morphology, heterochrony, and systematics of Flectonotus goeldii (Amphibia: Anura: Hylidae)

    Journal of zoological systematics and evolutionary research, 3, 34

  • 1995

  • 1995/06

    Haas, A.

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    Cranial features of dendrobatid larvae (Amphibia: Anura: Dendrobatidae)

    Journal of morphology, 3, 224

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