Search:
Recent Changes - Keyword Listing

edit SideBar

Species / Anchura Phaba

Anchura Phaba

Stromboidea


Original diagnosis:

  • "An Anchura with about 20 arching axial ribs per whorl forming noticeable nodes on prominent keel (=4th or 5th spiral cord); axial ribs weaker than spiral cords; whorl profile subangulate, angulation at anterior one-third of whorl."

Original Description of Anchura phaba by Elder & Saul, 1996

  • "Shell large, high-spired, drawn out anteriorly into an anterior rostrum; pleural angle about 27 degrees; whorls about nine in number, slightly angulate at fourth spiral cord on spire, strongly carinate on last whorl; suture appressed; protoconch unknown; growth line antispirally concave on spire. Sculpture of both axial ribs and spiral cords; axial ribs curved concavely to the aperture, distant, about 20 on penultimate whorl, forming nodes where crossed by cords; cords dominant, especially on more mature whorls, six to seven cords on spire; cords noticeably noded, especially on penultimate and ultimate whorls; nodes strongest on angulation at fourth cord; base of whorl with two strong and at least two weaker cords; falcate wing with shank relatively short and broad; fourth spiral cord extended onto wing as keel near posterior margin; wing expanded anteriorly an unknown length at posteriorward bend. Anterior margin slightly sinuous. Rostrum nearly straight."

Locus typicus: Southeast of Pigeon Point, San Mateo County, California, USA

Statum typicum: Middle to early late Campanian, Cretaceous

Etymology: Greek, phabos, a wild pigeon.

References:


Edit - History - Print - Recent Changes - Search

- This page is owned by Ulrich Wieneke
- Copyright features see here: Copyright
- It was last modified on February 05, 2016, at 01:27 PM-