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Harpetida - Harpididae

Harpes Perradiatus Trilobite 91mm

£792.00 GBP

The extraordinary and famous Harpes trilobite measuring 91mm is a fine specimen and naturally presented on the original bedrock. These exotic trilobites have formed some of the most iconic sci-fi films made to date, from space ships to aliens! One of our favourite trilobites for the wings is superb. The attributes of the species are most notable by the wide heavily pitted brim, the fringe with a curled rim which has the appearance of a folded or crimped edge. From anterior brim emanate two stout yet elegantly free spines, long and tapering to a point (these refixed post-excavation work in the Lab), the genal spine and upper carapace similarly featuring the curled rim. The eyes are set back high on the glabella (mid head shield), while the thoracic segments (mid-body), well defined and have a flexure halfway along the thorax just before the posterior of the pygidium (tail section) rolls underneath itself, a partially enrolled body section.

With reference once more to the Martian looking brim, this wide brim with innumerable pitting could have been an aid to give the invertebrate lift, much like a hydrofoil, again this is a theory, we may never know the exact purpose. One thing we do know is that this is another firm favourite of our team, a remarkably well preserved and conserved fossil trilobite which would grace most collections.

Over the 250,000,000 year range of the trilobites, many different morphological adaptions developed from free swimmers to bottom sifters. In this type an expanded and pitted cephalic (cephalon - headshield), fringe, is a distinct anatomical development, harpetids and trinucleids types have this. The function of the wide dished fringe of the Harpes is still a matter of conjecture.

Palaeontologists theorise the possible functions of these anatomical features, either being a wide sieve to filter bottom sediments for food or even possibly for detecting movement, a sensory organ, like a sonar dish or large receptor sounding dish, they function much like the large dishes on earth listening out into space.

SPEC
Genus: Order Harpetida, Family Harpididae, Harpes perradiatus Trilobite.
Age: Palaeozoic, Lower Devonian (Pragian), 354 - 417,000,000 years.
Origin: Tazoulait formation, Jdel Issoumour, Nr Alnif, Morocco, North Africa.

TRILOBITE
Length: 4.7 cm
Width: 3 cm
Depth: 1.5 cm

OVERALL
Length: 9.1 cm
Width: 7.8 cm
Depth: 4 cm

Weight: 1.000 KG

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All UK orders include FREE Recorded/Signed-for delivery excluding; the Channel Islands, Scilly Isles, Scottish Islands and some areas of the Scottish Highlands, Eire, Northern Ireland and all international regions.

UK small orders arrive 1 - 7 business days.
UK large orders arrive 7 - 14 business days.

For delivery costs, add this product to the BAG and at the bottom of the Pop-Out BAG - select your location.

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Planting 10 trees for every £100 received helps us to recover more than our own carbon footprint used throughout our processes from resourcing to transport, product design to fabrication and delivery to you.

100 trees helps restore CO₂ emissions for a return flight from London to San Francisco, totalling 8619.80 KM, equivalent to 0.15119 KG per KM of CO₂ per person - total flight emissions for one person is 1303.23 KG [1.3 tonnes]. With an average capacity of 575 persons per flight totalling 74,9225 KG [774 tonnes] of CO₂ based on UK government (GGR) greenhouse gas reports.



We plant trees with Ecologi

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If you need assistance with this product, we're here to help. Just include the product 'TITLE + REF Number' when you get in touch.

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