One of the most distinctive groups of "soft corals," or octocorals, is the Pennatulacea, or "sea pens." ... As is the case for all octocorals, sea pens are actually colonies of polyps. What distinguishes sea pens is polyp dimorphism. One polyp grows very large and loses its tentacles, forming the central axis.
www.ucmp.berkeley.edu/cnidaria/pennatulacea.html www.ucmp.berkeley.edu/cnidaria/pennatulacea.html
Sea pen - Wikipedia, the free encyclopedia
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Sea pens are colonial marine cnidarians belonging to the order Pennatulacea . There are 14 families within the order; they are thought to have a cosmopolitan distribution in tropical and temperate ...
en.wikipedia.org/wiki/Sea_pen
Resources for College Instructors Resources for K-12 Instructors Contribute to ADW ... Home Kingdom Animalia Phylum Cnidaria Class Anthozoa Order Pennatulacea ... Order Pennatulacea; (sea panzies and sea pens)
animaldiversity.ummz.umich.edu/site/accounts/informatio... animaldiversity.ummz.umich.edu/site/accounts/information/Pennatulacea.html
Order Pennatulacea Verrill, 1865 -- sea panzies, sea pens, sea pens ... Pennatulacea, sea panzies ... Download Pennatulacea TSN 52348...
www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=T... www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=52348
Order: Pennatulacea ... The sea pens -Pennatulacea is one of four orders of the Octorallia class, identified by the eight tentacles. The two other orders represented here are the sea fans and the soft corals.
www.seawater.no/fauna/Nesledyr/sjofjaer.htm
Figure 1. Pennatulacea colonies. (a) Young colony of Pennatula phosphorea. (b) Renilla amethystina. (c) Veretillium... ... From Encyclopedia article 'Pennatulacea' ... Search Results: Pennatulacea...
www.accessscience.com/search.aspx?rootID=795607
ITIS link: Pennatulacea Verrill, 1865 ... World Register of Marine Species link: Pennatulacea Verrill, 1865 (+species list) ... Unidentified Pennatulacea (3 F)
commons.wikimedia.org/wiki/Category:Pennatulacea commons.wikimedia.org/wiki/Category:Pennatulacea
; Order Pennatulacea; updated Oct 08 ... Order Pennatulacea recorded for Singapore ... Introduction to Pennatulacea on the Museum of Paleontology, University of California, Berkeley website: a brief introduction with some photos.
www.wildsingapore.com/wildfacts/cnidaria/others/pennatu... www.wildsingapore.com/wildfacts/cnidaria/others/pennatulacea/pennatulacea.htm
Sea Whip (Order Pennatulacea) Resiliency to Simulated Trawl Disturbance Patrick M a lecha and Robert Stone Auke Bay La boratory • Ala ska Fisheries Science Center Nationa l M arine Fisheries Service • NOAA tinB...
www.afsc.noaa.gov/ABL/MESA/archives/pdfs/Whip_Poster.pd... www.afsc.noaa.gov/ABL/MESA/archives/pdfs/Whip_Poster.pdf
Furthermore, the colony is anchored by an extensible and flexible peduncle which is the largest (in relation to rachis height) among the Pennatulacea.
www.biolbull.org/cgi/content/abstract/151/3/518
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