Continental Drift and Plate Tectonics vis-a-vis Earth’s Expansion: Probing the Missing Links for Understanding the Total Earth System

2021 ◽  
pp. 148-157
Author(s):  
Subhasis Sen
Keyword(s):  
Plate Tectonics ◽  
Continental Drift ◽  
Earth System

The genus Dirina (Roccellaceae, Arthoniales) revisited

2013 ◽  
Vol 45 (4) ◽  
pp. 427-476 ◽  
Author(s):  
Anders TEHLER ◽  
Damien ERTZ ◽  
Martin IRESTEDT
Keyword(s):  
New Species ◽  
Plate Tectonics ◽  
Continental Drift ◽  
New Combinations ◽  
Phylogenetic Hypothesis ◽  
Long Distance Dispersal ◽  
Long Distance ◽  
Incertae Sedis ◽  
Asexual Morphs ◽  
Β Tubulin

AbstractDirina (Roccellaceae, Arthoniales) is a monophyletic genus of crustose, saxicolous or corticolous lichenized fungi. Twenty-four species are accepted in the genus, including nine new species: Dirina angolana, D. arabica, D. astridae, D. canariensis, D. indica, D. madagascariensis, D. pacifica, D. pallescens and D. sorocarpa. A phylogenetic hypothesis is presented based on data from four molecular markers, β-tubulin, ITS 1 and 2, nuLSU and RPB2, including all recognized Dirina species worldwide. New combinations proposed include Dirina badia for Roccellina badia, Dirina jamesii for Roccellina jamesii, Dirina candida for Chiodecton candidum and Dirina teichiodes for Lecidea teichiodes. Two species are reinstated: Dirina approximata and D. monothalamia (as a new name of Chiodecton africanum). Asexual morphs described earlier at the rank forma are no longer recognized as taxonomic units viz., Dirina catalinariae f. sorediata, D. insulana f. sorediata, D. massiliensis f. sorediata, D. paradoxa ssp. paradoxa f. sorediata and D. massiliensis f. aponina. One species, Dirina calcicola, is transferred to Fulvophyton and two other species, Dirina insulae-howensis and Dirina neozelandica, are transferred to Schismatomma. Dirina follmannii is not accepted in Dirina and placed as incertae sedis. A key to the species of Dirina is provided. Vicariance through plate tectonics and continental drift versus long distance dispersal to explain biogeographical patterns is discussed.

The Biogeographical Aspect of the Debate Over Continental Drift

1985 ◽  
Vol 4 (2) ◽  
pp. 160-181 ◽  
Author(s):  
Henry Frankel
Keyword(s):  
Plate Tectonics ◽  
Continental Drift ◽  
Life Forms ◽  
Important Impact

This paper examines the biogeographical component of the sixty-year controversy over the reality of continental drift. It begins with an examination of Wegener's solution to the problem of accounting for the distribution of life forms having a geographically disjunctive distribution and traces the development of the problem through the work of the major as well as many minor participants in the controversy. It closes with a discussion of the most important impact of the acceptance of plate tectonics upon the biogeographical community, namely, the rise of meta-biogeography.

Sign in / Sign up

Export Citation Format

Share Document