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Dictyonema Graptolite Fossil – Genuine Ordovician Era Specimen from Morocco – Ancient Colonial Marine Organism

Dictyonema Graptolite Fossil – Genuine Ordovician Era Specimen from Morocco – Ancient Colonial Marine Organism

Original price was: £10.80.Current price is: £8.64.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity
**Please note: Some fossils maybe propped up, for photo purposes**

Name: Dictyonema sp.
Specimen: Graptolite
Age: Ordovician
Location: Mecissi are, Morocco
Size (picture scale cube=1cm):  49 x 10 x 72mm (1.93 x 0.39 x 2.83 inches)

ACTUAL AS SEEN: The image shows the EXACT specimean you will receive. The specimen has been carefully hand selected and photographed. Measurements are as accurate as possible, though be aware measuring precise dimensions can be difficult from irregular shaped items. Whilst we portray colours as close to life-like as we can, colours will vary if taken in sunlight, indoors, from monitor to monitor and device to device. Once this specimen is sold, we will update this listing with new similar selected item, with a new photo and dimensions.

(Actual as seen)

Only 1 left in stock

SKU: FP9792 Category:

Description

Offered here is a genuine Dictyonema sp. graptolite fossil, dating back to the Ordovician Period—approximately 470 to 480 million years ago—and sourced from the fossil-rich shale beds of Mecissi, Morocco. Graptolites are some of the earliest known colonial marine organisms, and fossils like these offer an extraordinary window into life in Earth’s ancient oceans.

This finely preserved specimen clearly displays the characteristic branching or net-like pattern typical of Dictyonema graptolites, and has been professionally selected for its quality, clarity, and natural visual appeal.

Fossil & Geological Details:

  • Name: Dictyonema sp.
  • Type: Graptolite (Colonial marine organism)
  • Age: Ordovician Period (~470–480 million years ago)
  • Location: Mecissi Area, Morocco
  • Phylum: Hemichordata
  • Class: Graptolithina
  • Scale Cube = 1cm – See photo for size reference
  • Authenticity: 100% Genuine – Certificate of Authenticity included

What Are Graptolites?

Graptolites were planktonic or benthic colonial organisms that lived in oceans during the Paleozoic Era, particularly flourishing in the Cambrian through Silurian periods. Their fossils are typically preserved in black shales or fine siltstones, appearing as fine, carbonised markings resembling delicate branching twigs, fans, or nets.

Dictyonema, one of the earliest known graptolites, is notable for its net-like fan structures, composed of many individual zooids living in tiny cup-like structures (thecae). They are thought to have been suspension feeders, filtering nutrients from seawater, and floated or attached themselves to seafloor substrates.

Why Collect Graptolite Fossils?

  • They are biostratigraphic index fossils, used globally to date sedimentary rock layers
  • Represent an important step in the evolution of colonial marine life
  • Offer insight into Ordovician marine ecosystems
  • Intricate and natural designs ideal for display or educational use
  • Rare and well-preserved specimens like this are increasingly sought after

Key Features:

  • Authentic Dictyonema sp. graptolite fossil
  • From the Ordovician Period, ~470 million years old
  • Collected in Mecissi, Morocco, a renowned Ordovician fossil locality
  • Includes Certificate of Authenticity
  • Exact specimen shown in photo – hand-selected for quality
  • Scale cube = 1cm for accurate sizing reference
  • May be gently propped for photo clarity
  • Colour may vary slightly depending on lighting or device screen
  • Listing will be refreshed with a new item and image once sold

ACTUAL AS SEEN: The image shows the exact specimen you will receive. Every fossil is individually chosen, carefully photographed, and selected for its quality. While measurements are as precise as possible, slight variances may occur due to natural shape. Refer to the 1cm scale cube for exact sizing.

Own a rare and scientifically significant fossil from one of Earth’s earliest oceans—this Dictyonema graptolite is a remarkable piece of marine evolutionary history, perfect for collectors, educators, and natural history enthusiasts alike.

Additional information

Era

Ordovician
Origin

Morocco

Ordovician Information

The Ordovician Period (485–443 million years ago) was a time of marine expansion and biodiversity growth, following the Cambrian Explosion. Warm, shallow seas covered much of the continents, supporting trilobites, brachiopods, corals, and the first true reefs. Jawless fish (early vertebrates) diversified, and the first sea scorpions (eurypterids) became dominant predators. On land, the first primitive plants (moss-like bryophytes) began colonizing damp environments. The climate was initially warm, but by the late Ordovician, a major ice age caused a drastic drop in sea levels, triggering the Ordovician-Silurian mass extinction, which wiped out nearly 85% of marine species. Despite this, the period laid the foundation for the rise of more complex ecosystems in the Silurian.

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