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Replacement taxonomic name[edit]

According to the Paleobiology Database:

Monoplacophora was named by Knight (1952) [W. Wenz in ]. It is extant.

Tergomya was named by R.J. Horný (1965) This now replaces Monoplacophora.

It was replaced with Tergomya by Peel (1991); and was revalidated by Kosnik (2002).

The line "These organisms were known only from the fossil record, and thought to have vanished in Devonian times, until in April 1952 a living specimen was dredged up from deep marine sediments in the Middle America Trench off the Pacific coast of Costa Rica." is pretty much out of one of my college text books- right down to the word "dredged." —Preceding unsigned comment added by (talk) 09:31, 11 April 2008 (UTC)

Not all in abyssal depths?[edit]

The statement that "Vema hyalina, [was found] at a depth of 400 m off Catalina Island, California, in 1977," appears to be inconsistent with the next sentence "All the present species live deep down in the abyssal depths of ocean trenches." Ecphora (talk) 12:59, 21 September 2008 (UTC)

According to Pelagic zone, depths up to 1000 m are Mesopelagic and abyssal depths are much deeper. Ecphora (talk) 07:32, 3 October 2008 (UTC)
I have revised the intro to clear this up. Ecphora (talk) 01:59, 4 October 2008 (UTC)

Genetic Study Links Monoplacophora to Cephalopods[edit] — Preceding unsigned comment added by (talk) 22:14, 27 October 2011 (UTC)

Date of discovery[edit]

Date of first publication of Neopilina was 1957 in Nature: Lemche H. Nature 179, 413–416. I have a feeling we should prefer this to 1952 as the date of discovery. Since it quite common for specimens from an expedition to wait many years before expert examination, the date of collection is really irrelevant. A specimen does not enter science until it is described and reported. Macdonald-ross (talk) 12:40, 30 December 2013 (UTC)

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