Coprolites (large)
SKU: 69814536349

Coprolites (large)

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Description

Coprolites (large)SPEND $20, GET 20% OFF OF A COPROLITE! Locale: Madagascar Approx size: 4. 5" avg (2. 755. 25") Approx weight: 200g avg (140400g) Everybody poops (weird sometimes)! A coprolite is fossilized excrement, colloquially called dino doo. The inexpensive specimens most commonly found in the market today likely arent from dinosaurs though, some are masquerading as dino doo. I have most frequently seen this Madagascar material attributed to prehistoric turtles


SPEND $20, GET 20% OFF OF A COPROLITE!

 

Locale: Madagascar

Approx size: 4.5" avg (2.75–5.25")

Approx weight: 200g avg (140–400g)

 

Everybody poops (weird sometimes)! A coprolite is fossilized excrement, colloquially called “dino doo.” The inexpensive specimens most commonly found in the market today likely aren’t from dinosaurs though, some are masquerading as dino doo. I have most frequently seen this Madagascar material attributed to prehistoric turtles that once roamed the area.

There is some debate whether in fact these are even true coprolites however, or simply unfortunately (or… fortuitously?) shaped iron concretions. I find the cololite argument compelling, 'cololite' meaning intestinal casts preserving the twists and folds of some creature's intestines. Whichever way, I'm skeptical that turtles were this prolific of defecators based on the number of Madagascar "coprolites" on the market.

When you see the variety of shapes these specimens come in, they are pretty convincing as coprolites. I have a hard time not keeping every well-formed piece I come across, building my own private pseudo-Poozeum. The material is composed of siderite and other ferrous (iron-rich) minerals that limonized, indicated by the crackling. Broken or polished pieces can have lovely colors similar to low-quality petrified wood or jasper, with tones of brown, yellow, orange, and red.

Sure you could make your own for free, but these "coprolites" are an inexpensive conversation piece—and always a great gift for kids!


Size categories

L 4.5” / 200g avg

M 3.5” / 100g avg

S 2.5" / 40g avg - S and higher-quality XS specimens

XS ​​2" / 30g avg - XS and lower-quality S specimens

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SKU: 69814536349

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em
Belleville, US
★★★★★ 5
More power, slightly lower (8%) MPG.
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Installed on a 2.0 liter Subaru Impreza. I drive up/down the I5 in california 3-4 times a year. For those that don't know there is about a 200 mile flat stretch where everyone runs at 75-85mph. With various filters (FRAM, BOSCH, Subaru OEM), I would consistently get 29.8 mpg. Once I installed the K&N, I could feel the car pulling with a bit more power, but I noticed that I was getting about 27.5 mpg. Totally worth it as the impreza is a little under powered and I don't drive many miles (6k/year) but if you are putting a lot of miles on your car, you may want to have more mpg.
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Reviewed in the United States on May 24, 2026
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GregUPerkio
Lowell, US
★★★★★ 5
fits my 2013 chevy suburban 5.3 and appears to be high quality
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fits my 2013 suburban perfectly. looks to be a well constructed unit.
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Reviewed in the United States on March 29, 2026
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Gahvno
Dallas, US
★★★★★ 5
Very good quality comparable to OEM at a much more reasonable price point.
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Last December we bought our first new car in 21 years and the first thing I did is stock up on cabin and engine air filters. I've got nothing against dealership OEM parts and pieces but what I do have an issue with is the prices. Luckily, we all have a bit of control over access to OEM quality parts and pieces at significantly more reasonable prices via Amazon. This filter and it's matching cabin filter are excellent in value and take less than 5 minutes to replace. Compare that to paying the hourly rate at your dealer plus the dealership retail price and you'll do what I did and stock up on these two filters. Definitely recommended.
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Reviewed in the United States on September 25, 2025
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Little Oak
Lake Worth, US
★★★★★ 4
It will fit a 2022 Subaru Outback
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Higher quality than OEM item fit and arrived on time. This was for a 2023 Subaru Outback
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Reviewed in the United States on September 15, 2025
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Bob P
Lexington, US
★★★★★ 5
High quality
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Looks a lot nicer than the one that came with my Subaru Outback (OEM). Performs the same or better.
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Reviewed in the United States on March 20, 2026

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