SILURIAN PERIOD HAS MANY FIRSTS TO ITS CREDIT .ITIS KNOWN FOR FURTHER MARCH ON GONDWANA LAND BY MANY TYPES OF ORGANISMS ,FOR FIRST VASCULAR PLANTS , FIRST GNAWED FISHES FIRST FRESH WATER FISHES FIRST BONY FISHES ,INVASION OF LAND BY ARTHROPODA FIRST FOSSILS OF TERRETRIAL FUNGI ,TALLEST FUNGI AND SO ON SO FORTH .

1. Trials & Tribulations Chapter 7 paleozoic 1
Silurianperiod
Gondwana 420 Mya
en.wikipedia.org
Ryan somma– earthlyuniverse.comblog

2. Trials & Tribulations
Variety of species in Sea Silurian armored jawless
Spinar– Palaeos.com Philippe Janvier –Wc-cc
Silurian jawed Megamastax - eating armored Dunyu
Brian Choo - Wc – cc
Bryozoa Sea scorpian
Ernst Haeckel- Wc – Public domain Obsidian soul-Wc - cc

3. Trials & Tribulations
Exinct Cooksonia
Avery’s‘view’! Cartoonist’sview
DrewAvery-flickr.com -cK12.org - cc cK12.org - cc
Psilotum - whisk fern
Modern –livingCooksonia !
Forest &Kim Starr - cK 12 – Wc – cc

4. Trials & Tribulations
Prototaxis- The tallest fungi
Dawsons view Silurian scene Retallack’s view
Wc – Public domain Elsievier huebar –Newscientist.com Wc - cc
Silurian sporangium Tortotubus protuberans
Spores tetrad – Smith - Wc - cc Martin R Smith – Sci-news.com
Oldest spores Oldest terrestrial fossil fungus

5. Trials & Tribulations Om Paleozoic
Silurianperiod
Timewiped the tears
of the brave survivors
of great extinction, which
exhaled a sigh of relief
Silurian periodthus began then
soothing ‘frayednerves’so to say
givingtimeand opportunityto life
to revive, growand flourishagain
Evolutionpickedup pace once again
all speciesof plants and animals
diversified, radiated and multiplied
many varieties cropped up & entrained
Algaefungi and lichensgrew inland
fungi speciallyattractedattention
growing tall theyhad ,it appeared,
the new world order at theircommand!

6. Trials & Tribulations
Bryophyteslikeliverworts& hornworts
and algaecontinuedto make land green
fungi entered in symbioticrelation
with algaeand newly developed plants
In fact evolution producednow
the firstever vascularplantsas
the fossils of littleCooksonia
and the Baragwanthiashow .
Both were very small of course
Cooksonia even withoutleaves
Baragwanathia was littlebetter
owningworld’s firstgreen leaves
Animalswere stillmorein the sea
And invertebrateslikeBryozoa,
Mollusca , Echinodermataflourished
with Arthropoda takingthe lead

7. Trials & Tribulations
Animalsalso startedto extend
theirconquest of inwardland
with millipedesand arachnids
leading the brigadeof theirbreeds
Vertebratesstillpreferredto remain
at home in the sea but some fishes did
try to test the waters of rivers& lakes
However, Agnathastill ruled theseas
Jawed fishesgained prominence
The bony ones also emerged, and
some‘fashionable’ones were ‘seen’
wearingbony‘ goggles’indeed !
On the whole the timewas merciful,
but for minorincidents,the life
was tranquiland sparedharsh
happeningsor Trials& tribulations.