Beatriz Aguirre Urreta Collection

Endoceras cancellatum, nautiloid
A long-shelled fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta. Specimen held at the Natural History Museum, London

Actinoceras sp. nautiloid
An extinct, long-shelled or orthoconic marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Aulacoceras sulcatum, belemnite
An extinct marine fossil known as a belemnite. These are invertebrates from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Vestinautilus cariniferous, nautiloid
An extinct, coiled-shelled marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Wasatchites tridentinus, ammonoid
An extinct, marine fossil invertebrate with a heavily ribbed, coiled shell from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Gomphoceras pyriforme, nautiloid
An extinct, egg-shaped marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Plesioteuthis sp. belemnite
An extinct marine fossil known as a belemnite. These are invertebrates from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Acanthoteuthis (Belemnoteuthis) speciosus, belemnite
An extinct, marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Gonioclymenia laevigata, ammonoid
An extinct, marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Prolecanites compressus, goniatite

Kosmoclymenia undulata, ammonoid
An extinct, marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Aphelaeceras mutabile, nautiloid
An extinct, coiled-shelled marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Schroederoceras bandonis, cephalopod
An extinct, marine fossil invertebrate with a coiled shell from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Pronorites cyclolobus, ammonoid
An extinct, marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Manticoceras acutum, ammonoid
An extinct, marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Phragmoceras sp. nautiloid
An extinct marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Sepia craveri, fossil cuttlefish
An extinct marine fossil invertebrate, a relative to todays cuttlefish from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Actinoceras oreleriseptum, nautiloid
An extinct, long-shelled or orthoconic marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Barrandeoceras sp
A fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta. Specimen held at the Natural History Museum, London

Goniatites sp. goniatite
An extinct, marine fossil goniatite from the class Cephalopoda belonging in the phylum Mollusca (molluscs), sub-class Ammonoidea. Photographed by Beatriz Aguirre-Urreta

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"Exploring the Fossilized World: Meet Beatriz Aguirre Urreta" a passionate paleontologist who has dedicated her life to unraveling the mysteries of ancient marine creatures. With her expertise in cephalopods, she has unearthed remarkable specimens that provide invaluable insights into prehistoric oceans. One of Beatriz's notable discoveries includes the Endoceras cancellatum, a massive nautiloid with its distinctive spiral shell. This creature lived millions of years ago and left behind fascinating fossils that continue to captivate scientists today. Another intriguing find by Beatriz is the Actinoceras sp. Nautiloid, showcasing intricate chambers within its long shell. These delicate structures offer clues about the creature's growth patterns and behavior in ancient seas. Amongst her collection are also belemnites like Aulacoceras sulcatum and Plesioteuthis sp. , which possessed bullet-shaped shells and roamed the ocean depths during different geological periods. Their fossil remains shed light on their evolutionary adaptations over time. Vestinautilus cariniferous, another nautiloid species discovered by Beatriz, features a strikingly ribbed shell design. Through meticulous examination of these fossils, she uncovers details about their ecological roles and interactions within past ecosystems. Intriguing ammonoids such as Wasatchites tridentinus, Gomphoceras pyriforme, Gonioclymenia laevigata, Kosmoclymenia undulata, Prolecanites compressus have also been meticulously studied by Beatriz. These extinct relatives of squids showcase an array of unique shapes and ornamentations that help paint a vivid picture of Earth's ancient biodiversity. One particularly fascinating specimen found by Beatriz is Acanthoteuthis (Belemnoteuthis) speciosus - a beautifully preserved belemnite with intricate patterns on its shell.