acanthodian

/ˌækænˈθoʊdiən/ (say .akan'thohdeeuhn)

noun
a primitive, spiny-finned, shark-like fish of the late Silurian and Devonian periods.
{New Latin Acanthodes, genus name}

Australian English dictionary. 2014.

Look at other dictionaries:

  • acanthodian — noun A member of a group of extinct fish (Acanthodii) that existed from the Silurian to the Permian period. The emerging picture of acanthodian (and perhaps placoderm) paraphyly does not overturn a general consensus about gnathostome… …   Wiktionary

  • acanthodian — /ak euhn thoh dee euhn/, n. any small, spiny finned, sharklike fish of the extinct order Acanthodii, from the Paleozoic Era. [1850 55; < NL Acanthodi(i) pl. of ACANTHODIUS (equiv. to Acanthod(es) a genus ( < Gk akanthódes prickly, spiny; see… …   Universalium

  • acanthodian — ac·an·tho·di·an …   English syllables

  • acanthodian — …   Useful english dictionary

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

  • endoskeletal — adjective Of or pertaining to an internal skeleton, usually of bone (an endoskeleton). All of these studies have presupposed acanthodian monophyly and stereotyped acanthodian endoskeletal morphology on Acanthodes , the latest occurring, and a… …   Wiktionary

  • monophyly — noun In cladistics, the condition of being monophyletic, of including all descendants from a given ancestral species. All of these studies have presupposed acanthodian monophyly and stereotyped acanthodian endoskeletal morphology on Acanthodes ,… …   Wiktionary

  • Nerepisacanthus — Temporal range: Telychian–Ludlow …   Wikipedia

  • acanthodean — I. adjective see acanthodian I II. noun see acanthodian II …   Useful english dictionary

  • Silurian — Geological period from=444 middle=429 to=416 o2=14 co2=4500 temp=17The Silurian is a geologic period and system that extends from the end of the Ordovician period, about 443.7 ± 1.5 Ma (million years ago), to the beginning of the Devonian period …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.