Willy De Mattia

6 Questions 16 Answers 0 Followers

Questions related from Willy De Mattia

Paup for morphological data matrix: what’s the most appropriate block?

I have compiled a huge morphological data matrix with each character defined by discrete character state values. I’d like to run it in Paup to do some parsimony or ML analysis. Could please...

11 November 2017 3,679 2 View

Et-OH buffer for snail preservation. What's best?

What is the best Et-OH buffer to avoid any damage to the shells and tissue after long period of preservation?

06 June 2015 1,237 0 View

Is a zoological name introduced as "Formenkreis" valid following the ICZN?

A passionate debate is currently taking place about the topic above presented among some European Malacologist. Others Zoologists point of views would be very appreciated. Are "supraspecific"...

01 January 2015 2,322 22 View

Does anyone have experience with Barcoding?

Is it correct to use barcoding to evaluate the validity of a species? It seems a stupid question but....literature shows it is not. Thank you.

08 August 2014 7,275 27 View

Can molecular phylogenetic trees be used also for the systematic at species/subspecies level?

Molecular trees can provide essential information for the phylogeny of groups but what about systematic/taxonomy at species/subspecies level? Is here morphology still leading the game?

01 January 1970 3,349 7 View

Is COI alone good enogh to provide an acceptable phylogeny?

I recently came across some paper dealing with taxonomical revisions (land snails) claiming that a phylogenetic tree based upon COI only can provide strong and solid phylogeny of a group of...

01 January 1970 7,617 10 View