Drotops Armatus

Drotops Armatus Trilobite Pair 155mm

£292.00 GBP

A remarkeble double specimen plate of Drotops armatus trilobites measuring overall 155mm from Morocco. The plate enables a glimpse back into the Devonian period of what is now North Africa. The armatus thoracic segments have been engineered by evolution to interlock and provide flexibility and defence, under this chitin exoskeleton the arthropod defended its soft body parts now lost to the ravages of the fossil bed. In this specimen, the tubercles seen on the carapace or exoskeleton have no spines attached. The Drotops evolved spines giving the invertebrate more defence perhaps? We do not know positively. On differing varieties, scientist theorises spines could also be for a sensory defence or foraging aid. Intriguingly, we have so much to learn from these alien to us know bugs from prehistory.

The arthropod has three full-body or carapace length lobes longitudinally. These name it, from the Greek, trilobite, the lobes run into the pygidium (tail), the pygidium is one of the other three parts of the exoskeleton or carapace, which are often found separated in the fossil beds. These run across the carapace left to right and are the glabella (head), thorax (mid-body section) and pygidium. These make up the complete carapace or exoskeleton, this is shed in the animal’s lifetime. We find carapaces enrolled which could possibly have been a defence posture or the shed carapace.

Fewer complete specimens are unearthed from fossil sites of Morocco generally and in the heyday of discoveries and collecting. Exhausted beds become more difficult to manage over time as fossil material is excavated from deeper deposits. There are many other factors which influence the outcome of fossils collecting in Morocco generally. Once collecting a specimen of good quality was a relatively successful process, available across several Moroccan trilobite species, we now find fewer quality specimens available. Many older established beds suffer erosion, more frequent flooding, increasingly dwindling supply of decent specimens in the bedding plane, and deeper veins of sedimentary fossiliferous limestone contribute particularly to the large Phacops types becoming more scarce as the work of extraction becomes more arduous.

Genus: Drotops armatus.
Age: Paleozoic, Middle Devonian, Eifelian stage, 390,000,000 years.
Origin: Daya el Maider, Nr Tafraoute Sidi Ali, Djebel Issimour, Alnif, Morocco, N. Africa.

Drotops armatus measurements.
Left Drotops Length: 10 cm
Right Drotops Length: 8 cm
Total Length: 15.5 cm
Width: 5.5 cm
Height: 4 cm

Overall measurements.
Length: 18 cm
Width: 9 cm
Height: 7 cm

Weight: 0.917 g

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Free standard UK delivery - Recorded/Signed-for

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All orders outside the United Kingdom are Tracked/Signed-for for you to follow.

✓ Authenticity Guaranteed

All products include a certificate of authenticity signed by THE FOSSIL STORE.

All THE FOSSIL STORE products are authentic specimens of high quality.

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If you require a specific delivery date we can accommodate you, simply email us at info@thefossilstore.com or use our Contact Form.

Larger items need more time for delivery with custom packaging requirements to guarantee secure delivery of your item/s.

Once arranged and your order is completed at checkout The Fossil Store will assign your order to DPD Precise or an alternate courier of our choosing.

Please contact us for Next Day Delivery - availability is limited to a multitude of variables including processing times and time of enquiry.

For more information on Returns please see our Returns Policy. Some Exclusions Apply. Learn more about Thefossilstore.com delivery options and Returns Policy.

Please note, for UK orders - small products usually arrive within 3 - 5 business days.
Large products usually arrive within 4 - 10 business days.

For deliveries outside of the UK, please see our Delivery and Returns.

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