—Burgess Shale-type fossil assemblages provide a unique record of animal life in the immediate aftermath of the so-called “Cambrian explosion.” While most soft-bodied faunas in the rock record were conserved by mineral replication of soft tissues, Burgess Shale-type preservation involved the conservation of whole assemblages of soft-bodied animals as primary carbonaceous remains, often preserve...

For an arbitrary finite Coxeter group W , we define the family of Cambrian lattices for W as quotients of the weak order on W with respect to certain lattice congruences. We associate to each Cambrian lattice a complete fan, which we conjecture is the normal fan of a polytope combinatorially isomorphic to the generalized associahedron for W . In types A and B, we obtain, by means of a fiber-pol...

The importance of CO2 removal from the atmosphere has long been an essential topic due to climate change. In this paper, authors aim demonstrate suitability underground reservoirs for storage based on their geological characteristics. research addressed potential formations fossil in Baltic States support goal achieving carbon neutrality region. geological, technical, and economic feasibility a...

as Mollusca (Coleoidea) and precursors of Cambrian Nectocaridids and extant cuttlefish and squid. Abstract A functional interpretation of the problematic Ediacaran fossils Podolimurus and similar organisms such as Dickinsonia indicates that they are hitherto unrecognized members of Mollusca: Coleoidea and precursors of Cambrian Nectocaridids and of extant cuttlefish and squid. This interpretati...

The fossil record of the Cambrian Period has been known as a problem for evolutionary thegfory since Darwin’s Origin of Species in 1859. Darwin was aware of the sudden appearance of complex animal forms in the Cambrian from his own collecting in northeastern Wales. Complex animal forms such as trilobites seemed to appear with geological suddenness with no apparent ancestors in older rocks below...