Description
Millepora sp. Fossil Hydrozoan Sponge Colony
Upper Cretaceous Specimen from Crow Gap, East Sussex
This carefully chosen Millepora sp. fossil is a genuine hydrozoan sponge colony specimen from Crow Gap in East Sussex, UK. It comes from the Upper Greensand and dates to the Upper Cretaceous. Its recorded fossil type, geological unit, age, and British locality give it a clear collecting context. The supplied photographs show the actual specimen you will receive.
Millepora sp. Fossil Identification
The specimen is identified as Millepora sp. and described as a fossil hydrozoan sponge colony. The abbreviation “sp.” indicates that the genus is recorded while no particular species name is assigned in the supplied identification. Hydrozoans are aquatic colonial animals within the cnidarian group. Colony-forming organisms can create connected skeletal structures that preserve a record of how many tiny living units grew together. This gives the fossil a different visual and biological character from the shells of ammonites, bivalves, or gastropods commonly found in marine fossil collections.
Upper Cretaceous Geological Age
The fossil dates to the Upper Cretaceous, the later part of the Cretaceous Period. This placement connects the specimen with an ancient marine environment that existed long before the modern landscape and coastline of East Sussex developed. Marine sedimentary rocks from this interval preserve evidence of varied organisms that lived on or above the seabed. A specimen with a recorded Upper Cretaceous age is well suited to a collection arranged by geological period, broad fossil group, locality, or rock unit.
Upper Greensand Geology
This fossil comes from the Upper Greensand, a recognised Cretaceous geological unit in southern England. Upper Greensand strata were deposited in marine settings and can include sand-rich sediments with minerals and fossil remains that reflect conditions in ancient seas. The supplied geological information places this Millepora colony within that sedimentary context. Burial by sediment, mineral processes, consolidation of the surrounding deposits, erosion, and eventual discovery all contributed to the fossil’s present geological character.
Crow Gap, East Sussex, UK Locality
The recorded locality is Crow Gap in East Sussex. Its British provenance adds an important geographical dimension to the Millepora identification, Upper Cretaceous age, and Upper Greensand context. It is an appealing specimen for collectors building a display of Sussex fossils, British Cretaceous material, Upper Greensand fossils, colonial marine organisms, hydrozoans, or classic southern English localities. The genus, fossil type, geological unit, age, and locality can be retained together on a collector’s label for an informative cabinet display.
Colony Form and Natural Character
A colonial fossil records the combined structure produced by many connected living units rather than the remains of a single shelled animal. This makes it useful for illustrating different growth strategies in ancient marine ecosystems. Please use the supplied photographs to assess the individual colony shape, preservation, colour, natural texture, visible surface features, and any irregularities created during growth, burial, fossilisation, and later geological weathering. These characteristics form part of the authenticity and collecting interest of this exact specimen.
The Actual Fossil Shown
Both photographs show the exact Millepora sp. specimen supplied with this listing, not a generic example or substitute fossil. Please study every image for full sizing information and to view the piece from the available angles. Fossils are unique natural objects, so the details visible in the photographs are part of the character of the exact item you will receive.
Collector Display and Educational Value
This fossil can be displayed as a stand-alone cabinet specimen or included in an Upper Cretaceous, British fossil, East Sussex, Upper Greensand, hydrozoan, sponge colony, or marine-life collection. It also provides an engaging educational object for discussing colonial organisms, ancient seas, sedimentary geology, fossilisation, palaeoecology, British stratigraphy, and geological time. A padded specimen tray, stable display stand, labelled drawer, or protective cabinet can help present the fossil while reducing unnecessary handling.
Authenticity and Certificate of Authenticity
This is a genuine fossil specimen and includes a generic Certificate of Authenticity card with a lifetime guarantee. The certificate provides lasting reassurance for the collector, while the photographs document the exact fossil being offered. Handle the piece carefully and support it securely whenever it is moved. Avoid aggressive cleaning techniques, because its natural preserved surface is central to its authenticity, geological history, scientific interest, and individual character.
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