ระบบหมุนเวียนเลือดแบบเปิด ดูตามลูกศร
-หลอดเลือดเปิดให้เลือดสัมผัสกับเซลล์โดยตรง
-แอ่งเลือดรอบๆอวัยวะที่เลือดไปอาบเรียกว่า Hemocoel หรือ Sinus -เลือดรั่วออกขนาดนี้จะคุมความดันไม่ดี
-พบในหอยส่วนใหญ่ แต่ No หอยทุกชนิด + Arthropoda
.
หอยอะไร เป็นแบบปิด

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october art challenge, 2/19.

ancient arthropod
never saw electric lights -
lost to time’s embrace.

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Misszhouia longicaudata, a naraoiid arthropod from the Chengjiang Biota, named after a fantastic fossil preparator who worked on Chengjiang fossils.

Sketch for something bigger?

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A sketch of Crystal from and Maggy from with the False PHD mask drawn as part of a commission earlier this night.
(I still take commissions sometimes, you just need to ask.)

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This week’s feather highlights Afton Kern! An awesome paleoartist and enthusiast of thins arthro and micro, they capture all kinds of creatures, past and imaginary, with engaging linework and watercolors.

You can find their awesome here-->https://t.co/5sdVinXs1Q

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キメララクネ
(Chimerarachne)

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The series only lasted 9 issues (April–Sept, '78), but Kirby crammed as much as he could into it, including giant arthropods, space invaders, & even a ham-fisted Garden of Eden story.

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‘Arthropods’ Latest painting. Focused on color relationships and shapes... ©️Stark 2020

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That is correct the gills should be behind the lower jaw
Speaking of lower jaw it should probably be rounder due to having a meckel’s cartilage similar to smaller arthrodires
Here is a diagram of earlier arthrodires meckel’s cartilages compared to dunk, and a restoration

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ayyyee we got very rare LINEART todayy, bern sisters from soul of eden! drew it to satisfy my arthropod arm fetish)




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