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Tree of Life Media Contributed By Emily Knott

ID Thumbnail Media Data
6414 Blake's 1987 hypothesis for the relationships of Asteroidea
Reference Blake, D. B. 1987. A classification and phylogeny of post-Paleozoic sea stars (Asteroidea: Echinodermata). Journal of Natural History 21:481-528.
Image Use This media file is in the Public Domain.
Attached to Group Asteroidea: view page image collection
Title AsteroideaBlake1987.gif
Image Type Diagram
ALT Text Blake's 1987 hypothesis for the relationships of Asteroidea
ID 6414
6415 Gale's 1987 hypothesis for the relationships of Asteroidea
Reference Gale, A. S. 1987. Phylogeny and classification of the Asteroidea (Echinodermata). Zoological Journal of the Linnean Society 89:107-132.
Image Use This media file is in the Public Domain.
Attached to Group Asteroidea: view page image collection
Title AsteroideaGale1987.gif
Image Type Diagram
ALT Text Gale's 1987 hypothesis for the relationships of Asteroidea
ID 6415
6416 Lafay et al's 1995 hypothesis of Asteroidea relationships
Reference Lafay, B., A. B. Smith, and R. Christen. 1995. A combined morphological and molecular approach to the phylogeny of asteroids (Asteroidea: Echinodermata). Systematic Biology 44(2):190-208.
Image Use This media file is in the Public Domain.
Attached to Group Asteroidea: view page image collection
Title AsteroideaLafay1995.gif
Image Type Diagram
ALT Text Lafay et al's 1995 hypothesis of Asteroidea relationships
ID 6416
6417 Wada et al's 1996 hypothesis of Asteroidea relationships
Reference Wada, H., M. Komatsu and N. Satoh. 1996. Mitochondrial rDNA phylogeny of the Asteoidea suggests the primitiveness of the Paxillosida. Molecular Phylogenetics and Evolution 6(1):97-106.
Image Use This media file is in the Public Domain.
Attached to Group Asteroidea: view page image collection
Title AsteroideaWada1996.gif
Image Type Diagram
ALT Text Wada et al's 1996 hypothesis of Asteroidea relationships
ID 6417
6418 Knott and Wray's 2000 hypothesis of Asteroidea relationships
Reference Knott, K. E. and G. A. Wray. 2000. Controversy and consensus in asteroid systematics: new insights to ordinal and familial relationships. American Zoologist 40:382-392.
Image Use This media file is in the Public Domain.
Attached to Group Asteroidea: view page image collection
Title AsteroideaKnottWray2000.gif
Image Type Diagram
ALT Text Knott and Wray's 2000 hypothesis of Asteroidea relationships
ID 6418
6432 Hudsonaster, an early asteroid from the Ordovician
Scientific Name Hudsonaster
Comments Early asteroid from the Ordovician
Specimen Condition Fossil -- Period: Ordovician
Collection USNM
Copyright © 2004 Daniel B. Blake
Image Use restricted
Attached to Group Paleozoic Asteroids (Asteroidea): view page image collection
Title Hudsonaster.jpg
Image Type Photograph
Image Content Specimen(s)
Voucher Number 40882
ALT Text Hudsonaster, an early asteroid from the Ordovician
ID 6432
6433 Noriaster barberoi fossil
Scientific Name Noriaster barberoi
Specimen Condition Fossil -- Period: Triassic
Collection MPUM
Copyright © 2004 Daniel B. Blake
Image Use restricted
Attached to Group Valvatida (Asteroidea): view page image collection
Title Noriaster_barberoi.jpg
Image Type Photograph
Image Content Specimen(s)
Voucher Number 8420
ALT Text Noriaster barberoi fossil
ID 6433
6434 Trichasteropsis fossil
Scientific Name Trichasteropsis weissmanni
Specimen Condition Fossil -- Period: Triassic
Collection SMNS
Copyright © 2004 Daniel B. Blake
Image Use restricted
Attached to Group Trichasteropsida (Asteroidea): view page image collection
Title Trichasteropsis2.jpg
Image Type Photograph
Image Content Specimen(s)
Voucher Number 3173/5
ALT Text Trichasteropsis fossil
ID 6434
6435 Trichasteropsis fossil
Scientific Name Trichasteropsis weissmanni
Specimen Condition Fossil -- Period: Triassic
Collection MHI
Copyright © 2004 Daniel B. Blake
Image Use restricted
Attached to Group Trichasteropsida (Asteroidea): view page image collection
Title Trichasteropsis1.jpg
Image Type Photograph
Image Content Specimen(s)
Voucher Number 843/1
ALT Text Trichasteropsis fossil
ID 6435
6522 Transverse section and perspective view of a generalized arm
Comments Transverse section and perspective view of a generalized arm (soft tissues and spines removed); note the arched ambulacral ossicles forming the ambulacral groove and the dorsal podial pores between ambulacral ossicles. One podium (tubefoot) on the left is drawn in outline only to illustrate how the podia descend through the podial pores.
Body Part arm
View Transverse section and perspective view
Image Use creative commons This media file is licensed under the Creative Commons Attribution-NonCommercial License - Version 3.0.
Copyright © 2004 Emily Knott
Attached to Group Asteroidea: view page image collection
Title diagram5b1.gif
Image Type Drawing/Painting
Image Content Body Parts
ALT Text Transverse section and perspective view of a generalized arm
ID 6522
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