Smith, Peter J., "Evolution’s Most Worrisome Questions," review of Life Pulse by Niles Eldredge (Fact on File, 1987, 246 pp.), New Scientist (November 19, 1987), p. 59.
p. 59
"Eldredge and Gould, by contrast, decided to take the record at face value.
On this view, there is little evidence of modification within species, or of
forms intermediate between species because neither generally occurred. A species
forms and evolves almost instantaneously (on the geological timescale) and then
remains virtually unchanged until it disappears, yielding its habitat to a new
species."
Axelrod, Daniel I., "Evolution of the Psilophyte Paleoflora," Evolution, vol. 13 (June 1959), pp. 264-275. Axelrod was at the University of California, Los Angeles.
p. 270
"Since vascular land plants had already attained some
diversity of type by the Early Cambrian, their earlier evolution must have
taken place in Precambrian time."
p. 272
"Judging from the inferred nature of Cambrian land
plants, the late Proterozoic land flora may have been nearly as complex as
that which has been preserved in the Late Silurian to Middle Devonian rocks.
But rather than being in the low lands, it probably was in the more distant
uplands of environmental diversity, areas propitious for rapid
evolution."
Gensel, Patricia G., and Henry N. Andrews, "The Evolution of Early Land Plants," American Scientist, vol. 75 (September/October 1987), pp. 478-489.
p. 478
"It was not until the Silurian period, 400 to 450
million years ago, that plants and some animals adapted to a land
environment and became well established there.
"Vascular land plants—that is, plants with distinctive water-conducting tissues, as opposed to nonvascular plants such as mosses—became established by mid-Silurian times and diversified relatively rapidly in the early Devonian period." [Emphasis added]
p. 481
"We still lack any precise information concerning the
presumed aquatic ancestors from which land plants evolved, and the search
for evidence of these precursors and of probable transitional stages
continues…. Further fossil evidence is needed to test these ideas and to
determine whether the transition was sudden or gradual."
p. 487
"During the Carboniferous, some Iycophytes achieved
heights well in excess of 30 m, and such specimens became a dominant element
in the great Upper Carboniferous coal swamps. These types declined rapidly
toward the end of the Carboniferous, while the smaller, herbaceous forms
continued on to the present time."
Incomplete assemblages in the fossil record: insufficient plants to support the animals represented as fossils
Anonymous, "Ancient Alga Fossil Most Complex Yet," Science News, vol. 108 (September 20, 1975), p. 181.
p. 181
"Both blue-green algae and bacteria fossils dating
back 3.4 billion years have been found in rocks from S. Africa."
p. 181
"Even more intriguing, the pleurocapsalean algae
turned out to be almost identical to modern pleurocapsalean algae at the
family and possibly even at the generic level."
p. 181
"Do the Harvard paleontologists’ findings shed any
light on the origin of eukaryotes [cells with nuclei] from prokaryotes
[cells without nuclei]: Probably not."
p. 181
"In brief, as Barghoorn puts it, ‘We have no really
good evidence from all of the Precambrian records … of a genuine
eukaryotic cell.
Creationist claims of Precambrian pollen in the Grand Canyon do not appear to stand up under investigation. (However, although there may not be evidence for Precambrian pollen in the Grand Canyon, there is one thoroughly documented report of the occurrence of pollen and vascular tissue of higher plants which does support the existence of angiosperms earlier in the fossil record).
Arnold, C. A., An Introduction to Paleobotany (Michigan: McGraw-Hill, 1949), 433 pp.
p. 7
"It has long been hoped that extinct plants will
ultimately reveal some of the stages through which existing groups have
passed during the course of their development, but it must be freely
admitted that this aspiration has been fulfilled to a very slight extent,
even though paleobotanical research has been in progress for more than one
hundred years. As yet we have not been able to trace the phylogenetic
history of a single group of modern plants from its beginning to the present."
[Emphasis added]
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