Echinoderm microfossil dating

We confirm the traditional paleontological view that ophiuroids are sister to the asteroids and date the crown group Ophiuroidea to the mid-Permian (270 ± 30 mega-annum).

The abundance and wide distribution of modern and disarticulated fossil Ophiuroidea [2], including brittle stars and basket stars, make them an ideal model system for global marine biogeography if we have the phylogenetic framework necessary to link extant and fossil morphology in an evolutionary context.

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I posted to several lists asking if anyone had the collection with the names.

Several people from Wards responded, and within 24 hours I had a pdf of the list! Click here for a great description of collecting microfossils.

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  1. We met in London in November, on the weekend before Guy Fawkes Day, at the Cock & Bottle, an old-school Notting Hill pub “dating back to before the area’s chichi changeup,” as Rosamund explained.