#3120: Geologic Periods
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[A table with 3 columns, labelled: "Period", "My favorite part" and "My biggest complaint". There are 13 rows below the labels]
[Row 1: Period:] Precambrian
[My favorite part:] Life develops
[My biggest complaint:] Snowball Earth episodes
[Row 2: Period:] Cambrian
[My favorite part:] Trilobites!
[My biggest complaint:] Evolution could stand to calm down a little
[Row 3: Period:] Ordovician
[My favorite part:] Earth might have had rings
[My biggest complaint:] Scary volcanic eruption in North America
[Row 4: Period:] Silurian
[My favorite part:] First land animals
[My biggest complaint:] Earth's newfound mold problem
[Row 5: Period:] Devonian
[My favorite part:] Big mountains in Boston
[My biggest complaint:] Yeah, sure, what those giant killer fish needed was armor
[Row 6: Period:] Carboniferous
[My favorite part:] Cool forests
[My biggest complaint:] Bugs too big
[Row 7: Period:] Permian
[My favorite part:] Pangea
[My biggest complaint:] Google "The Great Dying"
[Row 8: Period:] Triassic
[My favorite part:] Tanystropheus [accompanying the text in this cell is an image of a Tanystropheus and its characteristic elongated neck, with Cueball standing next to it for scale]
[My biggest complaint:] Damage to Canada still visible from space at Manicouagan
[Row 9: Period:] Jurassic
[My favorite part:] Birds
[My biggest complaint:] Parasitoid wasps
[Row 10: Period:] Cretaceous
[My favorite part:] Raptors
[My biggest complaint:] Raptors
[Row 11: Period:] Paleogene
[My favorite part:] Pretty horseys!!!
[My biggest complaint:] Paleocene-eocene thermal maximum
[Row 12: Period:] Neogene
[My favorite part:] Forests of Dracaena dragonblood trees
[My biggest complaint:] Zanclean flood
[Row 13: Period:] Quaternary
[My favorite part:] Burrito invented
[My biggest complaint:] Whoever picked the name for the third period of the Cenozoic
(Sourced from explainxkcd.com)
Title text:Geologists claim it's because the earlier Cenozoic used to be called the Tertiary, but that's just a ruse to hide the secret third geologic period, between the Neogene and the Quaternary, that they won't tell us about.