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Haplogynae

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taxon links [up-->]Sicariidae [up-->]Oonopidae [up-->]Leptonetidae [up-->]Pholcidae Monophyly UncertainPhylogenetic position of group is uncertain[down<--]Araneomorphae Interpreting the tree
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This tree diagram shows the relationships between several groups of organisms.

The root of the current tree connects the organisms featured in this tree to their containing group and the rest of the Tree of Life. The basal branching point in the tree represents the ancestor of the other groups in the tree. This ancestor diversified over time into several descendent subgroups, which are represented as internal nodes and terminal taxa to the right.

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You can click on the root to travel down the Tree of Life all the way to the root of all Life, and you can click on the names of descendent subgroups to travel up the Tree of Life all the way to individual species.

For more information on ToL tree formatting, please see Interpreting the Tree or Classification. To learn more about phylogenetic trees, please visit our Phylogenetic Biology pages.

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Tree from Coddington, J.A. 2005. Phylogeny and Classification of Spiders. D. Ubick, P. Paquin, P. E. Cushing, and V. Roth (eds.) Spiders of North America: an identification manual, American Arachnological Society. 377 pages. Chapter 2, pp. 18-24.
Containing group: Araneomorphae

References

Coddington, J.A. 2005. Phylogeny and Classification of Spiders. D. Ubick, P. Paquin, P. E. Cushing, and V. Roth (eds.) Spiders of North America: an identification manual, American Arachnological Society. 377 pages. Chapter 2, pp. 18-24.

Coddington, J. A., G. Giribet, M. S. Harvey, L. Prendini, and D. E. Walter. 2004. Arachnida. Pp. 296-318. In Cracraft, J. and M. J. Donoghue (eds.). 2004. Assembling the Tree of Life. Oxford University Press, New York.

Coddington, J. A. and H. W. Levi. 1991. Systematics and evolution of spiders (Araneae). Annual Review of Ecology and Systematics 22:565-592.

Gil, S. G. R., L. M. Mola, A. G. Papeschi, and C. L. Scioscia. 2002. Cytogenetic heterogeneity in common haplogyne spiders from Argentina (Arachnida, Araneae). Journal of Arachnology 30:47-56.

Huber, B. A. 2000. New world pholcid spiders (Araneae : Pholcidae): A revision at generic level. Bulletin of the American Museum of Natural History 254:4-348.

Ramirez, M.J. 2000. Respiratory system morphology and the phylogeny of haplogyne spiders (Araneae, Araneomorphae). Journal of Arachnology 28:149-157.

Platnick, N. I., J. A. Coddington, R. R. Forster, and C. E. Griswold. 1991. Spinneret morphology and the phylogeny of haplogyne spiders. Amer. Mus. Novitates, 3016: 173

Title Illustrations
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Click on an image to view larger version & data in a new window
Scientific Name Pholcus phalangioides
Location Bear, Delaware, USA
Comments Longbodied Cellar Spider 6mm (Pholcus phalangioides)
Reference http://bugguide.net/node/view/135246
Specimen Condition Live Specimen
Size 6 mm
Image Use creative commons This media file is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs License - Version 3.0.
Copyright © Ted Kropiewnicki
Scientific Name Loxosceles reclusa
Comments Brown recluse spider
Copyright © Jim Kalisch
Scientific Name Arachnida:Araneae:Dysderidae: Dysdera erythrina
Location “Corno alle Scale” Park, Bologna Province, Emilia Romagna, Italy
Specimen Condition Live Specimen
Image Use creative commons This media file is licensed under the Creative Commons Attribution-NonCommercial License - Version 2.0.
Copyright © 2005 Cesare Brizio
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Citing this page:

Tree of Life Web Project. 2008. Haplogynae. Version 19 August 2008 (temporary). http://tolweb.org/Haplogynae/2650/2008.08.19 in The Tree of Life Web Project, http://tolweb.org/

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This page is a Tree of Life Branch Page.

Each ToL branch page provides a synopsis of the characteristics of a group of organisms representing a branch of the Tree of Life. The major distinction between a branch and a leaf of the Tree of Life is that each branch can be further subdivided into descendent branches, that is, subgroups representing distinct genetic lineages.

For a more detailed explanation of the different ToL page types, have a look at the Structure of the Tree of Life page.

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