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Dr Mark “Spider Man” Harvey, Western Australian Museum Research Associate and Associate Editor of our journal Invertebrate Systematics, has reached an extraordinary milestone: he has described 1,000th species.

www.abc.net.au/listen/progr...

#InvertebrateSys
Naming species is crucial to conserving them according to spider expert - ABC listen
Living scientist Dr Mark Harvey reaches rare milestone of naming 1000 species of invertebrates.
www.abc.net.au
December 2, 2025 at 4:40 AM
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So delicate.

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Photo: Yi-Tao Lin

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A close up of a delicate, completely translucent, glass-like scallop shell. Photo: Yi-Tao Lin
March 18, 2025 at 1:23 AM
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Now Mark has become one of the few people on Earth to describe more than 1,000 new species.

Invertebrate Systematics recently published a special collection dedicated to his work:

'1000 new species—a lifelong dedication to biodiversity discovery'

connectsci.au/is/collectio...

#InvertebrateSys
January 8, 2026 at 1:20 AM
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New #EditorChoice article 📢

'An inordinate fondness for Zalmoxis: explosive evolution of Zalmoxidae (Arachnida, Opiliones) goes undetected in Kanaky | New Caledonia' by Ella Frigyik, et al.

Published in #InvertebrateSys: doi.org/10.1071/IS25...
The cover of Invertebrate Systematics against a background photo of a vibrant orange and white nudibranch, with the caption: "Systematics, phylogeny and biogeography of all invertebrate taxa; connectsci.au/is".
April 6, 2026 at 11:10 PM
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New #InvertebrateSys Collection:
Invertebrate Systematics of the Americas and Beyond: Spotlight for ICIM-6

Highlights recent research from the Pacific region and beyond, to celebrate the 6th International Congress on Invertebrate Morphology #ICIM6.

Read more: www.publish.csiro.au/is/collectio...
An alien-looking Antarctic strawberry feather star, Promachocrinus fragarius. It has 20 long arms that are pale and feathered, giving it an eerie appearance. Text reads: "New Collection: Invertebrate Systematics of the Americas and Beyond: Spotlight for ICIM-6. Published in Invertebrate Systematics". Photo by Greg Rouse.
August 14, 2025 at 11:46 PM
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Researchers found a translucent scallop living in a deep-sea hydrothermal vent ecosystem in the northern Okinawa Trough, near the Tokara Islands in Japan.

They recorded their findings in Invertebrate Systematics: www.publish.csiro.au/IS/IS24091

#InvertebrateSys
Photo: Yi-Tao Lin

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A delicate scallop lies next to a ruler, indicating it is no larger than 20 millimeters long. A caption explains: "Researchers found a translucent scallop living in a deep-sea hydrothermal vent ecosystem in the northern Okinawa Trough, near the Tokara Islands in Japan." Photo: Yi-Tao Lin
March 18, 2025 at 1:23 AM
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“I am comforted to know that somewhere far from the surface world, there are strange, miraculous creatures that live without a thought of me.”

Science writer @applepieandink.bsky.social explores new #InvertebrateSys research.

https://www.lastwordonnothing.com/2025/02/14/something-nice-and-small/
The Last Word On Nothing
Anyone else having trouble focusing? Me, too. This week, while trying to write this blog post, I spent an inappropriate amount of time looking at prepared meal delivery services with no plan to purchase anything. The food just looked so calm and pretty in its little jars.
www.lastwordonnothing.com
February 18, 2025 at 12:02 AM
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Explore this research: 'Integrative taxonomy of Magilaoma, Pedicamista and Pasmaditta, with descriptions of one new genus and four new species from Tasmania (Stylommatophora: Punctoidea)' by Isabel Hyman, Bruno Bell, Kevin Bonham and Frank Climo.

Read it in #InvertebrateSys: doi.org/10.1071/IS26...
The cover of Invertebrate Systematics against a background photo of a vibrant orange and white nudibranch, with the caption: "Systematics, phylogeny and biogeography of all invertebrate taxa; connectsci.au/is".
September 30, 2026 at 6:01 AM
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Mark Harvey's work has been profiled in a new Invertebrate Systematics collection, '1000 new species—a lifelong dedication to biodiversity discovery'.

connectsci.au/collection/2...

Photo: Gymnobisium inukshuk, a troglobitic pseudoscorpion species described by Mark.

#InvertebrateSys #FreeToRead 🕷️🧪
Gymnobisium inukshuk, a troglobitic species of pseudoscorpion, photographed by Gonzalo Giribet. The scorpion has brown thin pedipalps and a beige shiny abdomen. A caption invites us to read a new collection in Invertebrate Systematics titled '1000 new species—a lifelong dedication to biodiversity discovery', which is free to read until May 2026.
December 2, 2025 at 4:40 AM
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Researchers uncovered several striking specimens of dragon millipede in Thailand featuring alternately long & short legs, a trait known as ‘heteropody’, previously unseen in this group.

They published their findings in Invertebrate Systematics: www.publish.csiro.au/IS/IS25007

#InvertebrateSys

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A dark brown millipede resting on a rocky surface, its many legs of different lengths splayed out around it. Text reads: "Researchers have uncovered several striking specimens of dragon millipede in Thailand featuring alternately long and short legs, a trait known as ‘heteropody’, previously unseen in this group." The photo is by Ruttapon Srisonchai.
July 16, 2025 at 1:37 AM
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Read 'Integrative morphological, mitogenomic and phylogenetic analyses reveal new vent-dwelling scallop species' by Yi-Tao Lin, Ying-Bei Peng, @squamiferum.bsky.social, Ting Xu & Jian-Wen Qiu in Invertebrate Systematics:

www.publish.csiro.au/IS/IS24091

#InvertebrateSys
Photo: Yi-Tao Lin

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A screenshot of figures from the research article, depicting various images of the scallop seen on previous slides, with the caption: "The research was published in the article ‘Integrative morphological, mitogenomic and phylogenetic analyses reveal new vent-dwelling scallop species’. Read the article in Invertebrate Systematics."
March 18, 2025 at 1:23 AM
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Combining ancient DNA with the study of 19th century specimens, researchers finally resolved the identity of the Clavularia genus, a group of #SoftCorals, which had been misclassified for nearly 2 centuries.

Published in Invertebrate Systematics:

connectsci.au/is/article/4...

#InvertebrateSys
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A hand holds up a specimen jar with shelves of other specimens visible in the background. The location is Natural History Museum in Paris and the jar is labeled 'Clavularia viridis'. A caption explains: "The 200-year-old mystery of a group of soft corals has been resolved, leading to the description of a new species, a new genus, and even a completely new coral family." The photo is credited as being by Stefano Borghi.
February 3, 2026 at 2:57 AM
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Found along rocky shorelines, P. cultrifera—previously thought to be part of a cryptic species complex of polychaete marine worms—is widely utilised in physiological and biochemical research.

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Photos of some of the analysed species within the Perinereis cultrifera complex of marine worms, with notes on the animals' length and figure legends, indicating this is an image from a scientific paper. A caption reads: "Found along rocky shorelines, Perinereis cultrifera—previously thought to be part of a cryptic species complex of polychaete marine worms—is widely utilised in physiological and biochemical research. New research published in Invertebrate Systematics documents and describes the species." The photo is by Marcos Teixeira.
April 10, 2025 at 1:38 AM
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Read more about the newly described vent-dwelling scallop species mentioned in this article in our journal #InvertebrateSys:

www.publish.csiro.au/IS/IS24091
Integrative morphological, mitogenomic and phylogenetic analyses reveal new vent-dwelling scallop species
Delectopecten is a small genus of the family Pectinidae (Bivalvia: Pectinida) that remains poorly studied in terms of both morphology and phylogeny. Here, we describe the first member of this genus fr...
www.publish.csiro.au
February 18, 2025 at 6:23 AM
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Dive deeper into the research in Invertebrate Systematics:

'The tables have turned: taxonomy, systematics and biogeography of the Acropora hyacinthus (Scleractinia: Acroporidae) complex'

By Rassmussen et al.

www.publish.csiro.au/IS/IS24049

#Taxonomy #ReefScience #OpenAccess #InvertebrateSys
Beautiful table corals fanning out across the reef. A caption invites us to read and open access article in the journal Invertebrate Systematics, titled 'The tables have turned: taxonomy, systematics and biogeography of the Acropora hyacinthus (Scleractinia: Acroporidae) complex'. The photo is credited as being by Queensland Museum.
September 4, 2025 at 5:02 AM
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Redescription of the type material of Clavularia de Blainville, 1830 (Anthozoa: Octocorallia) w/ descript. of new taxa + family

Stefano Borghi, Catherine McFadden, Tom Bridge, Andrew Baird, Merrick Ekins, Michela Mitchell, James Reimer & Peter Cowman

doi.org/10.1071/IS25...

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(218.88 KB) An underwater photograph of the pale soft coral C. koellikeri from 30m, Iriomote island, Japan, its feathery flower-like tentacles bending with the current. The photo is credited as being by Stefano Borghi. A caption invites us to read the open access article in Invertebrate Systematics titled 'Redescription of the type material of Clavularia de Blainville, 1830 (Anthozoa: Octocorallia), with descriptions of new taxa and a new family'.
February 3, 2026 at 2:57 AM
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New #EditorChoice article 📢

'Novel deep-sea commensalism: a new genus and two new species of Myzostomida from the abyssal Pacific Ocean'
By Eva C. D. Stewart, et al.

Published #OpenAccess in #InvertebrateSys: doi.org/10.1071/IS25...
The cover of Invertebrate Systematics against a background photo of a vibrant orange and white nudibranch, with the caption: "Systematics, phylogeny and biogeography of all invertebrate taxa. ConnectSci.au/IS"
April 23, 2026 at 11:16 PM
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New and #OpenAccess in Invertebrate Systematics:

Redescription of the type material of Clavularia de Blainville, 1830 (Anthozoa: Octocorallia), with descriptions of new taxa and a new family:

connectsci.au/is/article/4...

#InvertebrateSys
Black and white scanning electron micrographs of sclerites of the lectotype of Clavularia viridis Quoy & Gaimard, 1833 (MNHN-IK-2000-184). A caption invites us to read the open access article 'Redescription of the type material of Clavularia de Blainville, 1830 (Anthozoa: Octocorallia), with descriptions of new taxa and a new family' in Invertebrate Systematics.
January 28, 2026 at 12:23 AM
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Combining ancient DNA with the study of 19th century specimens, researchers resolved the identity of the Clavularia genus, a group of soft corals.

#OpenAccess in Invertebrate Systematics:

doi.org/10.1071/IS25...

#InvertebrateSys #WorldWildlifeDay
@jcuofficial.bsky.social

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An underwater photograph of C. koellikeri from the Great Barrier Reef, a soft pink coral which looks like fluffy flowers. The photo is credited as being by Augustine Crosbie. A caption tells us: "Combining ancient DNA with the study of 19th century specimens, researchers resolved the identity of the Clavularia genus, a group of soft corals, which had been misclassified for nearly two centuries."
March 3, 2026 at 1:00 AM
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“Heteropody in these species may be related to lateral or sideways motion,” the researchers wrote in their article in Invertebrate Systematics.

“To fully understand the ecological and evolutionary significance of this unusual trait, further in situ investigations are needed.”

#InvertebrateSys

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A dark brown millipede on the tip of a green plant stem. The animal has many legs of different lengths. A caption tells us: "'Heteropody in these species may be related to lateral or sideways motion,' the researchers wrote in their article in Invertebrate Systematics. 'To fully understand the ecological and evolutionary significance of this unusual trait, further in situ investigations are needed.'" The photo is by Ruttapon Srisonchai.
July 16, 2025 at 1:37 AM
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Read the research article:

A sea of worms: the striking cases of the European Perinereis cultrifera and P. rullieri (Annelida: Nereididae) species complexes, with description of 13 new species

Published in Invertebrate Systematics:
www.publish.csiro.au/IS/IS24059

#InvertebrateSys

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Images depicting morphological differences found between species within the Perinereis cultrifera complex of marine worms, with figure legends, indicating this is an image from a scientific paper. A caption invites us to read the research article, titled "A sea of worms: the striking cases of the European Perinereis cultrifera and P. rullieri (Annelida: Nereididae) species complexes, with description of 13 new species", in Invertebrate Systematics. The photo is by Marcos Teixeira.
April 10, 2025 at 1:38 AM
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This unusual dragon millipede found in Thailand has alternately long and short legs, a rare trait known as ‘heteropody’.

The researchers documented their find in Invertebrate Systematics:

doi.org/10.1071/IS25...

#InvertebrateSys #WorldWildlifeDay

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A millipede moving in an 's'-shape across a bright green leaf. The photo is by Ruttapon Srisonchai. The caption tells us: "This unusual dragon millipede found in Thailand has alternately long and short legs, a rare trait known as ‘heteropody’."
March 3, 2026 at 1:00 AM
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“We found that species we thought were widespread are actually quite unique,” said @jcuofficial.bsky.social's Stefano Borghi.

"With the description of new species, a new genus, and a new family, we now realize how much diversity we’ve been overlooking."

#InvertebrateSys

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Stefano Borghi poses for a selfie while holding a specimen jar in the Natural History Museum in Paris. "'With the description of new species, a new genus, and a new family, we now realize how much diversity we’ve been overlooking,' said lead researcher Stefano Borghi of the find."
February 3, 2026 at 2:57 AM
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'Molecular and morphological data uncover a striking new genus of dragon millipedes in Thailand, with alternately long and short legs'

By Ruttapon Srisonchai, Henrik Enghoff, Natdanai Likhitrakarn, Somsak Panha & Chirasak Sutcharit

www.publish.csiro.au/IS/IS25007

#InvertebrateSys

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A dark brown millipede crawls along a green plant stem, its many legs of different lengths visible. A caption invites us to read a research article in Invertebrate Systematics, titled 'Molecular and morphological data uncover a striking new genus of dragon millipedes in Thailand, with alternately long and short legs (Diplopoda, Polydesmida, Paradoxosomatidae)'. The photo is by Ruttapon Srisonchai.
July 16, 2025 at 1:37 AM
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This trait is so rare, it has only been observed in one other millipede family from South America, not closely related to the newly described Thailand species.

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A millipede moving in an 's'-shape across a bright green leaf. The caption tells us: "This trait is so rare, it has only been observed in one other millipede family from South America, not closely related to the newly described Thailand species." The photo is by Ruttapon Srisonchai.
July 16, 2025 at 1:37 AM